APA (7th ed.) Citation

Bell, H. W., Haury, P. S., & Kelly, R. B. (1923). Preliminary report on the eastern part of the Smackover, Arkansas, oil and gas field. [publisher not identified].

Chicago Style (17th ed.) Citation

Bell, H. W., Peter S. Haury, and R. B. Kelly. Preliminary Report on the Eastern Part of the Smackover, Arkansas, Oil and Gas Field. Little Rock, Ark.: [publisher not identified], 1923.

MLA (9th ed.) Citation

Bell, H. W., et al. Preliminary Report on the Eastern Part of the Smackover, Arkansas, Oil and Gas Field. [publisher not identified], 1923.