APA (7th ed.) Citation

Londoño, O. H., MUÑOZ, R. E., & TORRES MARIN, C. (2001). Letrina artesanal. Los autores.

Chicago Style (17th ed.) Citation

Londoño, Oscar Humberto, Rosa Edith MUÑOZ, and Cautier TORRES MARIN. Letrina Artesanal. Bogotá: Los autores, 2001.

MLA (9th ed.) Citation

Londoño, Oscar Humberto, et al. Letrina Artesanal. Los autores, 2001.

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