APA (7th ed.) Citation

Hartwick, J. M. (1989). Non-renewable resources: Extraction programs and markets. Harwood Academic Publ.

Chicago Style (17th ed.) Citation

Hartwick, John M. Non-renewable Resources: Extraction Programs and Markets. Chur [u.a.]: Harwood Academic Publ, 1989.

MLA (9th ed.) Citation

Hartwick, John M. Non-renewable Resources: Extraction Programs and Markets. Harwood Academic Publ, 1989.

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