APA (7th ed.) Citation

Lydon, P. A. (1959). Geological section and petrography along the Poe Tunnel: Butte County, California. [publisher not identified].

Chicago Style (17th ed.) Citation

Lydon, Philip A. Geological Section and Petrography Along the Poe Tunnel: Butte County, California. San Francisco: [publisher not identified], 1959.

MLA (9th ed.) Citation

Lydon, Philip A. Geological Section and Petrography Along the Poe Tunnel: Butte County, California. [publisher not identified], 1959.

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