APA (7th ed.) Citation

Niven, L. (1970). A gift from earth. Walker and Company.

Chicago Style (17th ed.) Citation

Niven, Larry. A Gift from Earth. New York: Walker and Company, 1970.

MLA (9th ed.) Citation

Niven, Larry. A Gift from Earth. Walker and Company, 1970.

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