Cita APA

Romer, A. S. 1., & Romer, A. S. 1. (1956). A Shorter version of the 2. ed. of The vertebrate body. Philadelphia: Sauders.

Citación estilo Chicago

Romer, Alfred Sherwood 1894-1973, y Alfred Sherwood 1894-1973 Romer. A Shorter Version of the 2. Ed. of The Vertebrate Body. Philadelphia: Sauders, 1956.

Cita MLA

Romer, Alfred Sherwood 1894-1973, y Alfred Sherwood 1894-1973 Romer. A Shorter Version of the 2. Ed. of The Vertebrate Body. Philadelphia: Sauders, 1956.