APA (7th ed.) Citation

Geological Survey (U.S.) & Emmons, S. F. (1906). Suggestions to authors of economic papers. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Samuel Franklin Emmons. Suggestions to Authors of Economic Papers. Washington, D.C.: [publisher not identified], 1906.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Samuel Franklin Emmons. Suggestions to Authors of Economic Papers. [publisher not identified], 1906.