Παραπομπή σε μορφή APA (7η εκδ.)

U.S. Geological Survey. (1958). Suggestions to authors of the reports of the United States Geological Survey (5th ed.). U.S. Govt. Print. Off.

Παραπομπή σε μορφή Chicago (17η εκδ.)

U.S. Geological Survey. Suggestions to Authors of the Reports of the United States Geological Survey. 5th ed. Washington: U.S. Govt. Print. Off, 1958.

Παραπομπή σε μορφή MLA (9th εκδ.)

U.S. Geological Survey. Suggestions to Authors of the Reports of the United States Geological Survey. 5th ed. U.S. Govt. Print. Off, 1958.