APA (7th ed.) Citation

Guryev, D. (1990). The riddle of the origin of consciousness. Progress Publishers.

Chicago Style (17th ed.) Citation

Guryev, Dmitri. The Riddle of the Origin of Consciousness. Moscow: Progress Publishers, 1990.

MLA (9th ed.) Citation

Guryev, Dmitri. The Riddle of the Origin of Consciousness. Progress Publishers, 1990.

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