Παραπομπή σε μορφή APA (7η εκδ.)

Caldwell, L. K., Bartlett, R. V., & Gladden, J. N. (1995). Environment as a focus for a public policy. Texas A & M University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Caldwell, Lynton K., Robert V. Bartlett, και James N. Gladden. Environment as a Focus for a Public Policy. College Station: Texas A & M University Press, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Caldwell, Lynton K., et al. Environment as a Focus for a Public Policy. Texas A & M University Press, 1995.