APA (7th ed.) Citation

United States. Bureau of Internal Revenue. (1937). Regulations 80 (1937 edition), estate tax. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Internal Revenue. Regulations 80 (1937 Edition), Estate Tax. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Bureau of Internal Revenue. Regulations 80 (1937 Edition), Estate Tax. [s.n.], 1937.

Warning: These citations may not always be 100% accurate.