APA (7th ed.) Citation

Gittings, S. R., Dennis, G. R., & Harry, H. W. (1986). Annotated guide to the barnacles of the northern Gulf of Mexico. Marine Information Service, Sea Grant College Program, Texas A&M University.

Chicago Style (17th ed.) Citation

Gittings, Stephen R., George R. Dennis, and Harold W. Harry. Annotated Guide to the Barnacles of the Northern Gulf of Mexico. College Station, Tex.: Marine Information Service, Sea Grant College Program, Texas A&M University, 1986.

MLA (9th ed.) Citation

Gittings, Stephen R., et al. Annotated Guide to the Barnacles of the Northern Gulf of Mexico. Marine Information Service, Sea Grant College Program, Texas A&M University, 1986.