Hayden, F. V. (1878). Illustrations of Cretaceous and Tertiary Plants of the Western Territories of the United States. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Hayden, Ferdinand V. Illustrations of Cretaceous and Tertiary Plants of the Western Territories of the United States. Washington: Government Printing Office, 1878.
MLA-Zitierstil (9. Ausg.)Hayden, Ferdinand V. Illustrations of Cretaceous and Tertiary Plants of the Western Territories of the United States. Government Printing Office, 1878.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.