APA (7th ed.) Citation

Heinlein, R. A. (1980). Expanded universe: The new worlds of Robert A. Heinlein. Ace Books.

Chicago Style (17th ed.) Citation

Heinlein, Robert A. Expanded Universe: The New Worlds of Robert A. Heinlein. New York: Ace Books, 1980.

MLA (9th ed.) Citation

Heinlein, Robert A. Expanded Universe: The New Worlds of Robert A. Heinlein. Ace Books, 1980.