APA (7th ed.) Citation

Smith, B. B., Clark, W. J., Mueller Dale, & Wormuth, J. H. (1980). Desmids of east Texas.

Chicago Style (17th ed.) Citation

Smith, Betsy Blackmon, William J. Clark, Mueller Dale, and John H. Wormuth. Desmids of East Texas. 1980.

MLA (9th ed.) Citation

Smith, Betsy Blackmon, et al. Desmids of East Texas. 1980.