APA (7th ed.) Citation

Asimov, I. (1987). Past, present and future.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Past, Present and Future. Buffalo, N.Y, 1987.

MLA (9th ed.) Citation

Asimov, Isaac. Past, Present and Future. 1987.

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