Cita APA (7th ed.)

Spellman, F. R. (1997). Dewatering biosolids. Technomic.

Cita Chicago (17th ed.)

Spellman, Frank R. Dewatering Biosolids. Lancaster: Technomic, 1997.

Cita MLA (9th ed.)

Spellman, Frank R. Dewatering Biosolids. Technomic, 1997.