APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1924). Professional Paper 92. The middle and upper Eocene floras of southeastern North America. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Professional Paper 92. The Middle and Upper Eocene Floras of Southeastern North America. Washington: [publisher not identified], 1924.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Professional Paper 92. The Middle and Upper Eocene Floras of Southeastern North America. [publisher not identified], 1924.

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