APA (7th ed.) Citation

Sampson, E. D. (1979). Nikolay Gumilev. Twayne Publishers.

Chicago Style (17th ed.) Citation

Sampson, Earl D. Nikolay Gumilev. Boston: Twayne Publishers, 1979.

MLA (8th ed.) Citation

Sampson, Earl D. Nikolay Gumilev. Twayne Publishers, 1979.

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