APA

Corbet G. B., Hill J. E., . (1980). A world list of mammalian species. London, England: Cornell University.

Chicago

Corbet G B, Hill J E, . 1980. A world list of mammalian species. London, England: Cornell University.

Harvard

Corbet G. B., Hill J. E., . (1980). A world list of mammalian species. London, England: Cornell University.

MLA

Corbet G B, Hill J E, . A world list of mammalian species. London, England: Cornell University. 1980.