Cita APA (7th ed.)

Krottlinger, J. (1993). Keeping Reptiles and Amphibians. T.F.H. Publications.

Cita Chicago (17th ed.)

Krottlinger, Johann. Keeping Reptiles and Amphibians. , New Jersey: T.F.H. Publications, 1993.

Cita MLA (9th ed.)

Krottlinger, Johann. Keeping Reptiles and Amphibians. T.F.H. Publications, 1993.