APA-Zitierstil (7. Ausg.)

Chance, H. M. (1879). The northern Townships of Butler County: Part first. Board of Commissioners for the Second Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Chance, Henry Martyn. The Northern Townships of Butler County: Part First. Harrisburg: Board of Commissioners for the Second Geological Survey, 1879.

MLA-Zitierstil (9. Ausg.)

Chance, Henry Martyn. The Northern Townships of Butler County: Part First. Board of Commissioners for the Second Geological Survey, 1879.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.