Cita APA

Ulloa, A., Aguilar, T., Goicoechea, C., & Ramírez, R. (2011). DESCRIPTION, CLASSIFICATION AND GEOLOGICAL ASPECTS OF THE KARSTIC REGIONS OF COSTA RICA.

Citación estilo Chicago

Ulloa, Andrés, Teresita Aguilar, Carlos Goicoechea, y Ronald Ramírez. DESCRIPTION, CLASSIFICATION AND GEOLOGICAL ASPECTS OF THE KARSTIC REGIONS OF COSTA RICA. 2011.

Cita MLA

Ulloa, Andrés, Teresita Aguilar, Carlos Goicoechea, y Ronald Ramírez. DESCRIPTION, CLASSIFICATION AND GEOLOGICAL ASPECTS OF THE KARSTIC REGIONS OF COSTA RICA. 2011.