Parrett, C. (1984). Floods of May 1978 in Southeastern Montana and Northeastern Wyoming. US Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Parrett, Charles. Floods of May 1978 in Southeastern Montana and Northeastern Wyoming. Washington: US Gov. Print. Off, 1984.
MLA-Zitierstil (9. Ausg.)Parrett, Charles. Floods of May 1978 in Southeastern Montana and Northeastern Wyoming. US Gov. Print. Off, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.