APA (7th ed.) Citation

Defenbaugh, R. E., & Hopkins, S. H. (1973). The occurrence and distribution of the hydroids of the Galveston Bay, Texas, area. Dept. for Marine Resources Information, Center for Marine Resources, Texas A & M University.

Chicago Style (17th ed.) Citation

Defenbaugh, Richard E., and Sewell Hepburn Hopkins. The Occurrence and Distribution of the Hydroids of the Galveston Bay, Texas, Area. College Station, Tex.: Dept. for Marine Resources Information, Center for Marine Resources, Texas A & M University, 1973.

MLA (9th ed.) Citation

Defenbaugh, Richard E., and Sewell Hepburn Hopkins. The Occurrence and Distribution of the Hydroids of the Galveston Bay, Texas, Area. Dept. for Marine Resources Information, Center for Marine Resources, Texas A & M University, 1973.