Cita APA (7a ed.)

Olsson, G. (1975). Birds in egg. Dept. of Geography, University of Michigan.

Cita Chicago Style (17a ed.)

Olsson, Gunnar. Birds in Egg. Ann Arbor: Dept. of Geography, University of Michigan, 1975.

Cita MLA (9a ed.)

Olsson, Gunnar. Birds in Egg. Dept. of Geography, University of Michigan, 1975.