APA aipamena

Gans, D. (1973). An Introduction to non-Euclidean geometry. Academic Press.

Chicago Style aipamena

Gans, David. An Introduction to Non-Euclidean Geometry. New York: Academic Press, 1973.

MLA aipamena

Gans, David. An Introduction to Non-Euclidean Geometry. Academic Press, 1973.