Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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