APA (7th ed.) Citation

Darton, N. H. (1887). North american geology for 1886. [Government Printing Office].

Chicago Style (17th ed.) Citation

Darton, Nelson H. North American Geology for 1886. [Washington]: [Government Printing Office], 1887.

MLA (9th ed.) Citation

Darton, Nelson H. North American Geology for 1886. [Government Printing Office], 1887.

Warning: These citations may not always be 100% accurate.