Cita APA

Spellman, F. R., & Whinting, N. E. (1999). Environmental science and technology: Concepts and applications. Rockville, Maryland: Goveverment Institutes.

Citación estilo Chicago

Spellman, Frank R., y Nancy E. Whinting. Environmental Science and Technology: Concepts and Applications. Rockville, Maryland: Goveverment Institutes, 1999.

Cita MLA

Spellman, Frank R., y Nancy E. Whinting. Environmental Science and Technology: Concepts and Applications. Rockville, Maryland: Goveverment Institutes, 1999.