APA (7th ed.) Citation

Underwriters' Laboratories. (1975). Supplement... [publisher not identified].

Chicago Style (17th ed.) Citation

Underwriters' Laboratories. Supplement... Northbrook, Ill. : Underwriters Laboratories: [publisher not identified], 1975.

MLA (9th ed.) Citation

Underwriters' Laboratories. Supplement... [publisher not identified], 1975.

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