APA (7th ed.) Citation

Würsig, B. G., Jefferson, T. A., & Schmidly, D. J. (2000). The marine mammals of the Gulf of Mexico. Texas A & M University Press.

Chicago Style (17th ed.) Citation

Würsig, Bernd G., Thomas A. Jefferson, and David J. Schmidly. The Marine Mammals of the Gulf of Mexico. College Station, Tex.: Texas A & M University Press, 2000.

MLA (9th ed.) Citation

Würsig, Bernd G., et al. The Marine Mammals of the Gulf of Mexico. Texas A & M University Press, 2000.