APA aipamena

Sachs, R. K., & Wu, H. (1977). General relativity for mathematicians. Springer-Verlag.

Chicago Style aipamena

Sachs, R. K., and Hung-hsi Wu. General Relativity for Mathematicians. New York: Springer-Verlag, 1977.

MLA aipamena

Sachs, R. K., and Hung-hsi Wu. General Relativity for Mathematicians. Springer-Verlag, 1977.