Record of North American geology for 1887 to 1889 inclusive [1890, and 1891]
MLA
Darton, Nelson Horatio. Record of North American Geology for 1887 to 1889 Inclusive [1890, and 1891]. U.s. Geological Survey. Bulletin. Washington: Govt. Print. Off., 1891-92
APA, 7th edition
Darton, N. Horatio. (1891-92). Record of North American geology for 1887 to 1889 inclusive [1890, and 1891]. U.S. Geological survey. Bulletin. Washington: Govt. Print. Off
Chicago, 17th edition
Darton, Nelson Horatio. Record of North American geology for 1887 to 1889 inclusive [1890, and 1891]. U.S. Geological survey. Bulletin. Washington: Govt. Print. Off., 1891-92