APA Citation

Marsh, L. F., & Kelly-Young, B. (2011). Ponies. Washington, D.C.: National Geographic.

Chicago Style Citation

Marsh, Laura F., and Bonnie Kelly-Young. Ponies. Washington, D.C.: National Geographic, 2011.

MLA Citation

Marsh, Laura F., and Bonnie Kelly-Young. Ponies. Washington, D.C.: National Geographic, 2011.

Warning: These citations may not always be 100% accurate.