APA (7th ed.) Citation

Heinlein, R. A. (2003). Expanded universe. Baen.

Chicago Style (17th ed.) Citation

Heinlein, Robert A. Expanded Universe. Riverdale, NY: Baen, 2003.

MLA (9th ed.) Citation

Heinlein, Robert A. Expanded Universe. Baen, 2003.

Warning: These citations may not always be 100% accurate.