Cita APA (7a ed.)

Sullivan, P. M., & Stanczyk, H. (1971). Economics of recycling metals and minerals from urban refuse.

Cita Chicago Style (17a ed.)

Sullivan, P. M., y H. Stanczyk. Economics of Recycling Metals and Minerals from Urban Refuse. 1971.

Cita MLA (9a ed.)

Sullivan, P. M., y H. Stanczyk. Economics of Recycling Metals and Minerals from Urban Refuse. 1971.