APA (7th ed.) Citation

Martin, H. M., & Straight, M. T. (1956). An index of the geology of Michigan, 1823-1955. Speaker-Hines & Thomas, State printers.

Chicago Style (17th ed.) Citation

Martin, Helen M., and Muriel Tara Straight. An Index of the Geology of Michigan, 1823-1955. Lansing: Speaker-Hines & Thomas, State printers, 1956.

MLA (9th ed.) Citation

Martin, Helen M., and Muriel Tara Straight. An Index of the Geology of Michigan, 1823-1955. Speaker-Hines & Thomas, State printers, 1956.