Field trips in the southern Rocky Mountains, USA

MLA

Nelson, Eric P., Eric A. Erslev and Class of 1932 Fund. Field trips in the southern Rocky Mountains, USA. Boulder, Colo. : Geological Society of America, 2004.

APA

Nelson, E., Erslev, E. & Class of 1932 Fund. (2004). Field trips in the southern Rocky Mountains, USA. Boulder, Colo. : Geological Society of America.

Chicago

Nelson, Eric P., Eric A. Erslev and Class of 1932 Fund. Field trips in the southern Rocky Mountains, USA. Boulder, Colo. : Geological Society of America, 2004.