Cita APA (7th ed.)
Moldvay, A. (1981). National Geographic Photographer's Field Guide: With contributions from the photographers of the National Geographic Society. National Geographic.
Cita Chicago (17th 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 (9th ed.)
Moldvay, Albert. National Geographic Photographer's Field Guide: With Contributions from the Photographers of the National Geographic Society. National Geographic, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.