APA (7th ed.) Citation

Jones, W. B., Smith, E. A., & McCalley, H. (1926). Index to the mineral resources of Alabama.

Chicago Style (17th ed.) Citation

Jones, Walter B., Eugene Allen Smith, and Henry McCalley. Index to the Mineral Resources of Alabama. University, Ala, 1926.

MLA (8th ed.) Citation

Jones, Walter B., et al. Index to the Mineral Resources of Alabama. 1926.