APA (7th ed.) Citation

Gabriel, P., & Zisman, M. (1967). Calculus of fractions and homotopy theory. Springer-Verlag.

Chicago Style (17th ed.) Citation

Gabriel, Peter, and Michel Zisman. Calculus of Fractions and Homotopy Theory. Berlin, New York: Springer-Verlag, 1967.

MLA (9th ed.) Citation

Gabriel, Peter, and Michel Zisman. Calculus of Fractions and Homotopy Theory. Springer-Verlag, 1967.

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