Years of severe trial
MLA
Bunin, Ravel, et al. Years of Severe Trial. Socialism On Film Module I: Wars & Revolutions. Moscow: Central Documentary Film Studios, 1966
APA, 7th edition
Bunin, R., Golikov, G., Maryamov, E., & Pumpyanskaya, S. (1966). Years of severe trial. Socialism on film module I: wars & revolutions. Moscow: Central Documentary Film Studios
Chicago, 17th edition
Bunin, Ravel, Georgi Golikov, Ezra Maryamov, and Siryamina Pumpyanskaya. Years of severe trial. Socialism on film module I: wars & revolutions. Moscow: Central Documentary Film Studios, 1966