APA (7th ed.) Citation

Enger, E. D., & Ross, F. C. (2000). Concepts in biology (9. ed., internat. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Enger, Eldon D., and Frederick C. Ross. Concepts in Biology. 9. ed., internat. ed. Boston [u.a.]: McGraw-Hill, 2000.

MLA (9th ed.) Citation

Enger, Eldon D., and Frederick C. Ross. Concepts in Biology. 9. ed., internat. ed. McGraw-Hill, 2000.