MLA

Gisela Heckel, and Yolanda Schramm. Ecology and Conservation of Pinnipeds In Latin America. Springer International Publishing, 2021.

APA

Gisela Heckel, G. Heckel, & Schramm, Y. (2021). Ecology and Conservation of Pinnipeds in Latin America. Springer International Publishing.

Chicago

Gisela Heckel, and Yolanda Schramm. Ecology and Conservation of Pinnipeds In Latin America. : Springer International Publishing, 2021.