Cita APA (7th ed.)
Enger, E. D., & Ross, F. C. (2012). Laboratory manual: Concepts in biology (13th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Enger, Eldon D., i Frederick C. Ross. Laboratory Manual: Concepts in Biology. 13th ed. New York: McGraw-Hill, 2012.
Cita MLA (9th ed.)
Enger, Eldon D., i Frederick C. Ross. Laboratory Manual: Concepts in Biology. 13th ed. McGraw-Hill, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.