APA (7th ed.) Citation

Popov, N. (1996). Why? North-South Books.

Chicago Style (17th ed.) Citation

Popov, Nikolai. Why? New York: North-South Books, 1996.

MLA (9th ed.) Citation

Popov, Nikolai. Why? North-South Books, 1996.

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