APA ציטוט

Blumenthal, L. M., & Menger, K. (1970). Studies in geometry. San Francisco.

Chicago Edition Citation

Blumenthal, Leonard M., and Karl Menger. Studies in Geometry. San Francisco, 1970.

ציטוט MLA

Blumenthal, Leonard M., and Karl Menger. Studies in Geometry. San Francisco, 1970.