Cita APA (7th ed.)

Ayala Gómez, R., Domínguez Murillo, E., & Quintero Toscano, A. (2012). Algebraic topology: An introduction. Alpha Science International Ltd.

Cita Chicago (17th ed.)

Ayala Gómez, Rafael, Eladio Domínguez Murillo, i Antonio Quintero Toscano. Algebraic Topology: An Introduction. Oxford, U.K: Alpha Science International Ltd, 2012.

Cita MLA (9th ed.)

Ayala Gómez, Rafael, et al. Algebraic Topology: An Introduction. Alpha Science International Ltd, 2012.