When should I use et al?

In subsequent citations, only use the first author’s last name followed by “et al.” in the signal phrase or in parentheses. In et al., et should not be followed by a period. Six or More Authors: Use the first author’s name followed by et al. in the signal phrase or in parentheses.

How do you use et al in a sentence?

used in academic papers is in references, both for in-text citations and in the reference list. For example, you might see the phrase, “Horowitz et al. (2012) published ground-breaking research,” which means that Horowitz and others published the research.

How do you write an address with a comma?

When you include an address in a sentence, be sure to place a comma after the street and after the city. Do not place a comma between the state and the zip code. Like a date, if you need to continue the sentence after adding the address, simply add a comma after the address.

Do you put a comma after the state in an address?

In an address, place a comma after the street and between the city and state: 1714 North Harvey Street, Griffith, IN 46300. Do not place a comma between the state and the ZIP code.

How do you punctuate letters?

Here’s the correct punctuation: a comma for a personal letter, a colon for a business letter, and either punctuation mark in an email. (The colon is formal.) But remember: Dear isn’t required in email, even when writing to a stranger.