APA (7th ed.) Citation

Outerelo, E., & Ruiz, J. M. (2009). Mapping degree theory. American Mathematical Society. https://doi.org/10.1090/gsm/108

Chicago Style (17th ed.) Citation

Outerelo, Enrique, and Jesús M. Ruiz. Mapping Degree Theory. Providence, Rhode Island: American Mathematical Society, 2009. https://doi.org/10.1090/gsm/108.

MLA (9th ed.) Citation

Outerelo, Enrique, and Jesús M. Ruiz. Mapping Degree Theory. American Mathematical Society, 2009. https://doi.org/10.1090/gsm/108.