Analysis of information sources in references of the Wikipedia article "Serial comma" in English language version.
In a series of three or more terms with a single conjunction, use a comma after each term except the last.
Note that there is no comma between the penultimate item in a list and 'and'/'or', unless required to prevent ambiguity – this is sometimes referred to as the 'Oxford comma'.
The comma is used ... after each member within a series of three or more words, phrases, letters, or figures used with and, or, or nor.
It's just a matter of STYLE, and in this case, newspaper or literary (book) style. . . . Choose one style or the other the authorities say, but be consistent. Most writers recommend the literary style in college writing to avoid possible confusion . . .
Note that there is no comma between the penultimate item in a list and 'and'/'or', unless required to prevent ambiguity – this is sometimes referred to as the 'Oxford comma'.
It's just a matter of STYLE, and in this case, newspaper or literary (book) style. . . . Choose one style or the other the authorities say, but be consistent. Most writers recommend the literary style in college writing to avoid possible confusion . . .
The comma is used ... after each member within a series of three or more words, phrases, letters, or figures used with and, or, or nor.