Cita APA (7a ed.)

Hilton, P. J. (1953). An introduction to homotopy theory. University Press.

Cita Chicago Style (17a ed.)

Hilton, Peter John. An Introduction to Homotopy Theory. Cambridge [Eng.]: University Press, 1953.

Cita MLA (8a ed.)

Hilton, Peter John. An Introduction to Homotopy Theory. University Press, 1953.