Cita APA

 Worrell, W. A. (2011).  Solid waste engineering, si.  South-Western, Cengage Learning.

Citación estilo Chicago

 Worrell, William A.  Solid Waste Engineering, Si.  South-Western, Cengage Learning, 2011.

Cita MLA

 Worrell, William A.  Solid Waste Engineering, Si.  South-Western, Cengage Learning, 2011.

Precaución: Estas citas no son 100% exactas.