Cita APA (7th ed.)

Gregg, D. W. (1957). Group life insurance: An anlysis of concepts, contracts, costs, and company practices (Rev. ed.). Published for the S. S. Huebner Foundation for Insurance Education, University of Pennsylvania, by R. D. Irwin.

Cita Chicago (17th ed.)

Gregg, Davis W. Group Life Insurance: An Anlysis of Concepts, Contracts, Costs, and Company Practices. Rev. ed. Homewood, Ill: Published for the S. S. Huebner Foundation for Insurance Education, University of Pennsylvania, by R. D. Irwin, 1957.

Cita MLA (9th ed.)

Gregg, Davis W. Group Life Insurance: An Anlysis of Concepts, Contracts, Costs, and Company Practices. Rev. ed. Published for the S. S. Huebner Foundation for Insurance Education, University of Pennsylvania, by R. D. Irwin, 1957.