Cita APA

Haskins, M. L., & Hayden, W. J. Anatomy and affinities of Penthorum.

Citación estilo Chicago

Haskins, Melanie L., y W. John Hayden. Anatomy and Affinities of Penthorum.

Cita MLA

Haskins, Melanie L., y W. John Hayden. Anatomy and Affinities of Penthorum.