APA (7th ed.) Citation

Kuznetsov, B. G. (1977). Philosophy of optimism. Progress Publishers.

Chicago Style (17th ed.) Citation

Kuznetsov, B. G. Philosophy of Optimism. Moscow: Progress Publishers, 1977.

MLA (8th ed.) Citation

Kuznetsov, B. G. Philosophy of Optimism. Progress Publishers, 1977.

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