Cita APA (7a ed.)

Artin, E., & Braun, H. (1969). Introduction to algebraic topology (1a ed.). Merrill Publishing Company.

Cita Chicago Style (17a ed.)

Artin, Emil, y Hel Braun. Introduction to Algebraic Topology. 1a ed. Columbus: Merrill Publishing Company, 1969.

Cita MLA (9a ed.)

Artin, Emil, y Hel Braun. Introduction to Algebraic Topology. 1a ed. Merrill Publishing Company, 1969.