APA (7th ed.) Citation

Heitzmann, W. R., & Heitzmann, W. R. (2006). Opportunities in marine science and maritime careers (Rev. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Heitzmann, William Ray, and William Ray Heitzmann. Opportunities in Marine Science and Maritime Careers. Rev. ed. New York: McGraw-Hill, 2006.

MLA (9th ed.) Citation

Heitzmann, William Ray, and William Ray Heitzmann. Opportunities in Marine Science and Maritime Careers. Rev. ed. McGraw-Hill, 2006.