APA (7th ed.) Citation

Velbel, M. A., Crum, J. R., & Larson, G. J. (1988). Post-meeting field trip: Soils, sediments and sedimentary rocks of Southern Michigan. [Michigan State University?].

Chicago Style (17th ed.) Citation

Velbel, Michael A., James R. Crum, and Grahame J. Larson. Post-meeting Field Trip: Soils, Sediments and Sedimentary Rocks of Southern Michigan. [East Lansing, Mich.?]: [Michigan State University?], 1988.

MLA (9th ed.) Citation

Velbel, Michael A., et al. Post-meeting Field Trip: Soils, Sediments and Sedimentary Rocks of Southern Michigan. [Michigan State University?], 1988.