APA (7th ed.) Citation

Robyn, T. L. (1977). Geology and petrology of the Strawberry volcanics, NE Oregon. [publisher not identified].

Chicago Style (17th ed.) Citation

Robyn, Thomas Lynn. Geology and Petrology of the Strawberry Volcanics, NE Oregon. [Place of publication not identified]: [publisher not identified], 1977.

MLA (9th ed.) Citation

Robyn, Thomas Lynn. Geology and Petrology of the Strawberry Volcanics, NE Oregon. [publisher not identified], 1977.