Παραπομπή σε μορφή APA (7η εκδ.)

Mitchell, B., & Mitchell, J. E. (1972). The watershed as a resource management unit: A selected bibliography. Council of Planning Librarians.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mitchell, Bruce, και Joan Elizabeth Mitchell. The Watershed as a Resource Management Unit: A Selected Bibliography. Monticello, Ill: Council of Planning Librarians, 1972.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mitchell, Bruce, και Joan Elizabeth Mitchell. The Watershed as a Resource Management Unit: A Selected Bibliography. Council of Planning Librarians, 1972.