Cita APA (7th ed.)

Sakharov, A. D. (1968). Progress, coexistence and intellectual freedom. Andre Deutsch.

Cita Chicago (17th ed.)

Sakharov, Andrei D. Progress, Coexistence and Intellectual Freedom. Londres: Andre Deutsch, 1968.

Cita MLA (9th ed.)

Sakharov, Andrei D. Progress, Coexistence and Intellectual Freedom. Andre Deutsch, 1968.