Citazione APA

Hunter, G. W., & Valentine, M. C. (1907). Laboratory manual of biology (2nd ed., rev.). Henry Holt and Co..

Stile di citazione Chicago

Hunter, George W., e Morris Crawford Valentine. Laboratory Manual of Biology. 2nd ed., rev. New York: Henry Holt and Co., 1907.

Citazione MLA

Hunter, George W., e Morris Crawford Valentine. Laboratory Manual of Biology. 2nd ed., rev. Henry Holt and Co., 1907.