APA (7th ed.) Citation

Vieira, W., Arzabe, C., & Vieira, K. (2006). Amphibia, Leptodactylidae, Leptodactylus caatingae: Geographical distribution extension. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Vieira, Washington, Cristina Arzabe, and Kleber Vieira. Amphibia, Leptodactylidae, Leptodactylus caatingae: Geographical Distribution Extension. Pensoft Publishers, 2006.

MLA (9th ed.) Citation

Vieira, Washington, et al. Amphibia, Leptodactylidae, Leptodactylus caatingae: Geographical Distribution Extension. Pensoft Publishers, 2006.