APA (7th ed.) Citation

Heinlein, R. A. (2006). Starship troopers (Ace trade paperback edition.). Ace Books.

Chicago Style (17th ed.) Citation

Heinlein, Robert A. Starship Troopers. Ace trade paperback edition. New York, New York: Ace Books, 2006.

MLA (8th ed.) Citation

Heinlein, Robert A. Starship Troopers. Ace trade paperback edition. Ace Books, 2006.

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