APA (7th ed.) Citation

Swann, D. H., Lineback, J. A., & Frund, E. (1965). The Borden siltstone (Mississippian) delta in southwestern Illinois. [publisher not identified].

Chicago Style (17th ed.) Citation

Swann, D. H., Jerry Alvin Lineback, and Eugene Frund. The Borden Siltstone (Mississippian) Delta in Southwestern Illinois. Urbana: [publisher not identified], 1965.

MLA (9th ed.) Citation

Swann, D. H., et al. The Borden Siltstone (Mississippian) Delta in Southwestern Illinois. [publisher not identified], 1965.