APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1902). Fossil flora of the John Day Basin Oregon. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Fossil Flora of the John Day Basin Oregon. Washington: [publisher not identified], 1902.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Fossil Flora of the John Day Basin Oregon. [publisher not identified], 1902.

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