Gaya APA

Raff, R, A. (Chicago: The Univers). The shape of life; genes, development, and the evolution of animal form . Chicago: The University of Chi: Chicago: The University of Chicago Press; 1996.

Gaya MLA

Raff, Rudolf, A.. "The shape of life; genes, development, and the evolution of animal form". Chicago: The University of Chi: Chicago: The University of Chicago Press; 1996, Chicago: The Univers. Text.