Cita APA (7th ed.)
Moldvay, A. National geographer's field guide. Kingsport press.
Cita Chicago (17th ed.)
Moldvay, Albert. National Geographer's Field Guide. New York: Kingsport press.
Cita MLA (9th ed.)
Moldvay, Albert. National Geographer's Field Guide. Kingsport press.
Atenció: Aquestes cites poden no estar 100% correctes.