Cita APA (7th ed.)

Catton, W. R. J. (1987). The world's most polymorphic species: Carrying capacity transgressed two ways.

Cita Chicago (17th ed.)

Catton, William R. Jr. The World's Most Polymorphic Species: Carrying Capacity Transgressed Two Ways. 1987.

Cita MLA (9th ed.)

Catton, William R. Jr. The World's Most Polymorphic Species: Carrying Capacity Transgressed Two Ways. 1987.