APA (7th ed.) Citation

Hygienic Laboratory (U.S.) & ProQuest (Firm). (1921). Treasury Department United States Public Health Service. Hygienic Laboratory -- Bulletin No. 123. [publisher not identified].

Chicago Style (17th ed.) Citation

Hygienic Laboratory (U.S.) and ProQuest (Firm). Treasury Department United States Public Health Service. Hygienic Laboratory -- Bulletin No. 123. Washington: [publisher not identified], 1921.

MLA (9th ed.) Citation

Hygienic Laboratory (U.S.) and ProQuest (Firm). Treasury Department United States Public Health Service. Hygienic Laboratory -- Bulletin No. 123. [publisher not identified], 1921.