When writing a bibliography what punctuation mark should follow the city of publication?

The punctuation mark that follows the city of publication in a bibliography depends on the style guide you are using. Here are the most common options:

MLA Style:

* Colon ( : ) followed by the name of the publisher.

APA Style:

* Colon ( : ) followed by the name of the publisher.

Chicago Style (Notes and Bibliography):

* Comma ( , ) followed by the name of the publisher.

Chicago Style (Author-Date):

* Colon ( : ) followed by the name of the publisher.

Example:

MLA:

Smith, John. *The History of the World*. New York: Penguin Books, 2023.

APA:

Smith, J. (2023). *The History of the World*. New York: Penguin Books.

Chicago (Notes and Bibliography):

Smith, John, *The History of the World* (New York: Penguin Books, 2023).

Chicago (Author-Date):

Smith, John. *The History of the World*. New York: Penguin Books, 2023.

Always check the specific style guide you are using to ensure you are following the correct formatting.