Cita APA (7a ed.)

Hancock, J. (1999). Herons and egrets of the world: A photographic journey. Academic Press.

Cita Chicago Style (17a ed.)

Hancock, James. Herons and Egrets of the World: A Photographic Journey. San Diego [etc.]: Academic Press, 1999.

Cita MLA (9a ed.)

Hancock, James. Herons and Egrets of the World: A Photographic Journey. Academic Press, 1999.