Cita APA (7a ed.)
Moldvay, A. (1981). National Geographic Photographer's Field Guide: With contributions from the photographers of the National Geographic Society. National Geographic.
Cita Chicago Style (17a ed.)
Moldvay, Albert. National Geographic Photographer's Field Guide: With Contributions from the Photographers of the National Geographic Society. Washington: National Geographic, 1981.
Cita MLA (9a ed.)
Moldvay, Albert. National Geographic Photographer's Field Guide: With Contributions from the Photographers of the National Geographic Society. National Geographic, 1981.
Precaución: Estas citas no son 100% exactas.