APA (7th ed.) Citation

Pohl, F., & Thomas, T. T. (1994). Mars plus (1. print.). Baen.

Chicago Style (17th ed.) Citation

Pohl, Frederik, and Thomas T. Thomas. Mars Plus. 1. print. Riverdale, NY: Baen, 1994.

MLA (9th ed.) Citation

Pohl, Frederik, and Thomas T. Thomas. Mars Plus. 1. print. Baen, 1994.

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