APA (7th ed.) Citation

Pogorelov, A., & Sacksteder, R. Topics in the theory of surfaces in elliptic space. Gordon and Breach.

Chicago Style (17th ed.) Citation

Pogorelov, A.V, and Richard Sacksteder. Topics in the Theory of Surfaces in Elliptic Space. New York: Gordon and Breach.

MLA (8th ed.) Citation

Pogorelov, A.V, and Richard Sacksteder. Topics in the Theory of Surfaces in Elliptic Space. Gordon and Breach.

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