APA (7th ed.) Citation

MacLean, K., & Thomson, N. (1981). World environmental problems (1. ed.). Holmes McDougall.

Chicago Style (17th ed.) Citation

MacLean, Kenneth, and Norman Thomson. World Environmental Problems. 1. ed. Edinburgh: Holmes McDougall, 1981.

MLA (9th ed.) Citation

MacLean, Kenneth, and Norman Thomson. World Environmental Problems. 1. ed. Holmes McDougall, 1981.

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