Cita APA

Bradshaw, W. E., & Holzapfel, C. M. Evolution of animal photoperiodism.

Citación estilo Chicago

Bradshaw, William E., y Christina M. Holzapfel. Evolution of Animal Photoperiodism.

Cita MLA

Bradshaw, William E., y Christina M. Holzapfel. Evolution of Animal Photoperiodism.