Cita APA

Greenberg, M. J., & Harper, J. R. 1. (1981). Algebraic topology: A first course. Reading, Mass.: Benjamin Cummings.

Citación estilo Chicago

Greenberg, Marvin J., y John R. 1941- Harper. Algebraic Topology: A First Course. Reading, Mass.: Benjamin Cummings, 1981.

Cita MLA

Greenberg, Marvin J., y John R. 1941- Harper. Algebraic Topology: A First Course. Reading, Mass.: Benjamin Cummings, 1981.