APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Gabriel, P. Calculus of Fractions and Homotopy Theory. New York: Springer-Verlag Heidelberg, 1967.

MLA (9th ed.) Citation

Gabriel, P. Calculus of Fractions and Homotopy Theory. Springer-Verlag Heidelberg, 1967.