Citazione Stile APA (7a Edizione)

U. S. Environmental Protection Agency. (1983). Process design manual for land application of municipal sludge (1a. ed.). U. S. Environmental Protection Agency.

Citazione stile Chigago Style (17a edizione)

U. S. Environmental Protection Agency. Process Design Manual for Land Application of Municipal Sludge. 1a. ed. Cincinnati: U. S. Environmental Protection Agency, 1983.

Citatione MLA (9a ed.)

U. S. Environmental Protection Agency. Process Design Manual for Land Application of Municipal Sludge. 1a. ed. U. S. Environmental Protection Agency, 1983.