Παραπομπή APA

Krech, S. E., McNeill, J. R. E., & Merchant, C. E. (2004). Encyclopedia of world environmental history.

Παραπομπή Chicago Style

Krech, Shepard; Editor, J R; Editor McNeill, και Carolyn; Editor Merchant. Encyclopedia of World Environmental History. London, Routledge, 2004.

Παραπομπή MLA

Krech, Shepard; Editor, et al. Encyclopedia of World Environmental History. 2004.