"STRUNK" - читать интересную книгу автора (Strunk William)

the witch's malice

This is the usage of the United States Government Printing Office and of the
Oxford University Press.

Exceptions are the possessives of ancient proper names in -es and -is, the
possessive Jesus', and such forms as for conscience' sake, for righteousness'
sake. But such forms as Achilles' heel, Moses' laws, Isis' temple are commonly
placed by

the heel of Achilles
the laws of Moses
the temple of Isis

The pronominal possessives hers, its, theirs, yours, and oneself have no
apostrophe.

In a series of three or more terms with a single conjunction, use a comma
after each term except the last.

Thus write,

red, white, and blue
honest, energetic, but headstrong
He opened the letter, read it, and made a note of its contents.

This is also the usage of the Government Printing Office and of the Oxford
University Press.

In the names of business firms the last comma is omitted, as

Brown, Shipley and Company

etc., even if only a single term comes before it, is always preceded by a comma.

Enclose parenthetic expressions between commas.

The best way to see a country, unless you are pressed for time, is to travel
on foot.

however, or a brief phrase, is or is not parenthetic. If the interruption to
the flow of the sentence is but slight, the writer may safely omit the commas.
But whether the interruption be slight or considerable, he must never omit one
comma and leave the other. Such punctuation as

Marjorie's husband, Colonel Nelson paid us a visit yesterday,

or

My brother you will be pleased to hear, is now in perfect health,