Cita APA (7th ed.)

Enger, E. D., & Ross, F. C. (2007). Laboratory manual concepts in biology (20th edición.). McGraw-Hill.

Cita Chicago (17th ed.)

Enger, Eldon D., i Frederick C. Ross. Laboratory Manual Concepts in Biology. 20th edición. Boston, MA: McGraw-Hill, 2007.

Cita MLA (9th ed.)

Enger, Eldon D., i Frederick C. Ross. Laboratory Manual Concepts in Biology. 20th edición. McGraw-Hill, 2007.