Cita APA

Ackerman, J., Morales, M., & Tremblay, R. (2011). Darwin's orchids: Their variation, plasticity, and natural selection.

Chicago Style Citation

Ackerman, James, Mariely Morales, i Raymond Tremblay. Darwin's Orchids: Their Variation, Plasticity, and Natural Selection. 2011.

Cita MLA

Ackerman, James, Mariely Morales, i Raymond Tremblay. Darwin's Orchids: Their Variation, Plasticity, and Natural Selection. 2011.