APA (7th ed.) Citation

Gorshkov, G. P., & I͡Akushova, A. F. (1977). Physical geology (2d ed.). Mir.

Chicago Style (17th ed.) Citation

Gorshkov, Georgifi Petrovich, and A. F. I͡Akushova. Physical Geology. 2d ed. Moscow: Mir, 1977.

MLA (9th ed.) Citation

Gorshkov, Georgifi Petrovich, and A. F. I͡Akushova. Physical Geology. 2d ed. Mir, 1977.