Jelks, E. B., Ekberg, C. J., & Martin, T. J. (1989). Excavations at the Laurens Site: Probable location of Fort de Chartres I. Illinois Historic Preservation Agency.
Chicago Style (17th ed.) CitationJelks, Edward B., Carl J. Ekberg, and Terrance J. Martin. Excavations at the Laurens Site: Probable Location of Fort De Chartres I. Springfield, Ill.: Illinois Historic Preservation Agency, 1989.
MLA (9th ed.) CitationJelks, Edward B., et al. Excavations at the Laurens Site: Probable Location of Fort De Chartres I. Illinois Historic Preservation Agency, 1989.
Warning: These citations may not always be 100% accurate.