APA (7th ed.) Citation

Sakharov, A. D. (1976). Progress, co-existence and intellectual freedom. Penguin Books.

Chicago Style (17th ed.) Citation

Sakharov, Andrei D. Progress, Co-existence and Intellectual Freedom. Penguin Books, 1976.

MLA (9th ed.) Citation

Sakharov, Andrei D. Progress, Co-existence and Intellectual Freedom. Penguin Books, 1976.

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