Animal forms :
a text-book of zoology /
by David Starr Jordan ... and Harold Heath.

APA Citation

Jordan, D. Starr., Heath, H. (1911). Animal forms: a text-book of zoology. New York: D. Appleton and company.

MLA Citation

Jordan, David Starr, 1851-1931, and Harold Heath. Animal Forms: a Text-book of Zoology. New York: D. Appleton and company, 1911.

Warning: These citations may not always be complete (especially for serials).