Cita APA (7th ed.)

Gallo, C. S., & Rossi, L. F. (2009). Recycling: New research. Nova Science Pub.

Cita Chicago (17th ed.)

Gallo, Christian S., i Lorenzo F. Rossi. Recycling: New Research. New York: Nova Science Pub, 2009.

Cita MLA (9th ed.)

Gallo, Christian S., i Lorenzo F. Rossi. Recycling: New Research. Nova Science Pub, 2009.