APA Style

Powell, Robert E., Conant, Roger, Collins, Joseph T.. (2016). Peterson field guide to reptiles and amphibians: of eastern and central north America (Ed. 4). Boston: Houghton Mifflin Harcourt.

Chicago Style

Powell, Robert E., Conant, Roger, Collins, Joseph T.. Peterson field guide to reptiles and amphibians: of eastern and central north America. Ed. 4 Boston: Houghton Mifflin Harcourt, 2016. Referensi.

MLA Style

Powell, Robert E., Conant, Roger, Collins, Joseph T.. Peterson field guide to reptiles and amphibians: of eastern and central north America. Ed. 4 Boston: Houghton Mifflin Harcourt, 2016. Referensi.

Turabian Style

Powell, Robert E., Conant, Roger, Collins, Joseph T.. Peterson field guide to reptiles and amphibians: of eastern and central north America. Ed. 4 Boston: Houghton Mifflin Harcourt, 2016. Referensi.