APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1920). Bulletin 705 Conservation through engineering. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Bulletin 705 Conservation Through Engineering. Washington: [publisher not identified], 1920.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Bulletin 705 Conservation Through Engineering. [publisher not identified], 1920.

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