APA aipamena

Duryea, J. B. (1925). What to know about life insurance, a salesman's view of the science of life insurance. National Underwriter.

Chicago Style aipamena

Duryea, John Burton. What to Know About Life Insurance, a Salesman's View of the Science of Life Insurance. Cincinnati: National Underwriter, 1925.

MLA aipamena

Duryea, John Burton. What to Know About Life Insurance, a Salesman's View of the Science of Life Insurance. National Underwriter, 1925.