Citazione APA

Culp, C. L., & Clup, R. L. (1974). New concepts in water purification. Van Nostrand Reinhold Company.

Stile di citazione Chicago

Culp, Cordon L., e Russel L. Clup. New Concepts in Water Purification. New York: Van Nostrand Reinhold Company, 1974.

Citazione MLA

Culp, Cordon L., e Russel L. Clup. New Concepts in Water Purification. Van Nostrand Reinhold Company, 1974.