APA (7th ed.) Citation

Lutz, B., & Lutz, G. A. (1973). Brazilian species of Hyla. University of Texas Press.

Chicago Style (17th ed.) Citation

Lutz, Bertha, and Gualter A. Lutz. Brazilian Species of Hyla. Austin: University of Texas Press, 1973.

MLA (9th ed.) Citation

Lutz, Bertha, and Gualter A. Lutz. Brazilian Species of Hyla. University of Texas Press, 1973.