Cita APA (7a ed.)
Darley, J. M., & Grosvenor, M. B. Southwest Asia. National Geographic Society.
Cita estilo Chicago (17a ed.)
Darley, James M., y Melville Bell Grosvenor. Southwest Asia. Washington, EUA: National Geographic Society.
Cita MLA (9a ed.)
Darley, James M., y Melville Bell Grosvenor. Southwest Asia. National Geographic Society.
警告：這些引文格式不一定是100％准確.