APA (7th ed.) Citation

Erickson, B. R., & Pickett, N. (1987). Catalogue of type and figured fossils in the Science Museum of Minnesota.

Chicago Style (17th ed.) Citation

Erickson, Bruce R., and Nancy Pickett. Catalogue of Type and Figured Fossils in the Science Museum of Minnesota. St. Paul, Minn, 1987.

MLA (9th ed.) Citation

Erickson, Bruce R., and Nancy Pickett. Catalogue of Type and Figured Fossils in the Science Museum of Minnesota. 1987.