Cita APA

Niven, L. (1978). A gift from earth. Futura Publications Limited.

Chicago Style (17th ed.) Citation

Niven, Larry. A Gift from Earth. Futura Publications Limited, 1978.

Cita MLA

Niven, Larry. A Gift from Earth. Futura Publications Limited, 1978.

Atenció: Aquestes cites poden no estar 100% correctes.