APA (7th ed.) Citation

Schad, G. A., & Johnston, R. F. (2010). Natural History of the Salamander, Aneides hardii. Project Gutenberg.

Chicago Style (17th ed.) Citation

Schad, G. A., and Richard F. Johnston. Natural History of the Salamander, Aneides Hardii. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Schad, G. A., and Richard F. Johnston. Natural History of the Salamander, Aneides Hardii. Project Gutenberg, 2010.

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