APA

Thorington R. W., Project Muse, . (2012). Squirrels of the World. Baltimore: Johns Hopkins University Press.

Chicago

Thorington Richard W, Project Muse, . 2012. Squirrels of the World. Baltimore: Johns Hopkins University Press.

Harvard

Thorington R. W., Project Muse, . (2012). Squirrels of the World. Baltimore: Johns Hopkins University Press.

MLA

Thorington Richard W, Project Muse, . Squirrels of the World. Baltimore: Johns Hopkins University Press. 2012.