APA (7th ed.) Citation

Gumilev, N., & Lapeza, D. (1977). On Russian poetry. Ardis.

Chicago Style (17th ed.) Citation

Gumilev, N., and David Lapeza. On Russian Poetry. Ann Arbor: Ardis, 1977.

MLA (9th ed.) Citation

Gumilev, N., and David Lapeza. On Russian Poetry. Ardis, 1977.

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