APA

Gould S. J., . (1977). Ontogeny and phylogeny. Cambridge, Massahussets: Belknap Press of Harvard University Press.

Chicago

Gould Stephen Jay, . 1977. Ontogeny and phylogeny. Cambridge, Massahussets: Belknap Press of Harvard University Press.

Harvard

Gould S. J., . (1977). Ontogeny and phylogeny. Cambridge, Massahussets: Belknap Press of Harvard University Press.

MLA

Gould Stephen Jay, . Ontogeny and phylogeny. Cambridge, Massahussets: Belknap Press of Harvard University Press. 1977.