APA引文

National Underwriter Company. (1921). The National underwriter (Life insurance ed.). National Underwriter Co..

Chicago Style (17th ed.) Citation

National Underwriter Company. The National Underwriter. Life insurance ed. [Chicago, Ill.: National Underwriter Co., 1921.

MLA引文

National Underwriter Company. The National Underwriter. Life insurance ed. National Underwriter Co., 1921.

警告：这些引文格式不一定是100％准确.