Cita APA

Hahn, J., & Hahn, L. (1973). Recycling: Reusing our world's solid wastes. Franklin Watts.

Citación estilo Chicago

Hahn, James, and Lynn Hahn. Recycling: Reusing Our World's Solid Wastes. New York: Franklin Watts, 1973.

Cita MLA

Hahn, James, and Lynn Hahn. Recycling: Reusing Our World's Solid Wastes. Franklin Watts, 1973.

Warning: These citations may not always be 100% accurate.