APA (7th ed.) Citation

Niven, L. (1968). A gift from earth. Macdonald Science Fiction.

Chicago Style (17th ed.) Citation

Niven, Larry. A Gift from Earth. [London]: Macdonald Science Fiction, 1968.

MLA (8th ed.) Citation

Niven, Larry. A Gift from Earth. Macdonald Science Fiction, 1968.

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