Παραπομπή σε μορφή APA (7η εκδ.)

Allyn and Bacon, Hyland, M. C., & Kupchella, C. E. (1989). Environmental science: Living within the system of nature (2rd ed.). Allyn and Bacon.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Allyn and Bacon, Margaret C. Hyland, και Charles E. Kupchella. Environmental Science: Living Within the System of Nature. 2rd ed. Boston: Allyn and Bacon, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Allyn and Bacon, et al. Environmental Science: Living Within the System of Nature. 2rd ed. Allyn and Bacon, 1989.