APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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