APA (7th ed.) Citation

Soschtschenko, M. (1977). Schlüssel des Glücks. Philipp Reclam jun..

Chicago Style (17th ed.) Citation

Soschtschenko, Michail. Schlüssel Des Glücks. Leipzig: Philipp Reclam jun., 1977.

MLA (8th ed.) Citation

Soschtschenko, Michail. Schlüssel Des Glücks. Philipp Reclam jun., 1977.

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