APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1911). [Geological Survey monographs, v. 52; Geology of Lake Superior region]. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). [Geological Survey Monographs, V. 52; Geology of Lake Superior Region]. Washington: [publisher not identified], 1911.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). [Geological Survey Monographs, V. 52; Geology of Lake Superior Region]. [publisher not identified], 1911.

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