APA ציטוט

Feltwell, J. (1993). The encyclopedia of butterflies. Prentice Hall General Reference.

Chicago Style (17th ed.) Citation

Feltwell, John. The Encyclopedia of Butterflies. New York: Prentice Hall General Reference, 1993.

ציטוט MLA

Feltwell, John. The Encyclopedia of Butterflies. Prentice Hall General Reference, 1993.