APA

Burt W. H., . (1964). Field guide to the mammals. Boston: H Mifflin.

Chicago

Burt William Henry, . 1964. Field guide to the mammals. Boston: H Mifflin.

Harvard

Burt W. H., . (1964). Field guide to the mammals. Boston: H Mifflin.

MLA

Burt William Henry, . Field guide to the mammals. Boston: H Mifflin. 1964.