APA (7th ed.) Citation

Turk, J. (1989). Introduction to environmental studies (3η έκδ.). Saunders College.

Chicago Style (17th ed.) Citation

Turk, Jonathan. Introduction to Environmental Studies. 3η έκδ. Philadelphia: Saunders College, 1989.

MLA (8th ed.) Citation

Turk, Jonathan. Introduction to Environmental Studies. 3η έκδ. Saunders College, 1989.

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