Παραπομπή σε μορφή APA (7η εκδ.)

Nelissen, N. J. M., Klinkers, L., & Straaten, J. v. d. (1997). Classics in environmental studies: An overview of classic texts in environmental studies. International Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nelissen, Nicolaas Johnannes Maria, Leo Klinkers, και Jan van der Straaten. Classics in Environmental Studies: An Overview of Classic Texts in Environmental Studies. Utrecht: International Books, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nelissen, Nicolaas Johnannes Maria, et al. Classics in Environmental Studies: An Overview of Classic Texts in Environmental Studies. International Books, 1997.