APA (7th ed.) Citation

Hygienic Laboratory (U.S.) & ProQuest (Firm). (1933). National Institute of Health Bulletin No. 161, May, 1933. (Continuation of Hygienic Laboratory Bulletin Series). [publisher not identified].

Chicago Style (17th ed.) Citation

Hygienic Laboratory (U.S.) and ProQuest (Firm). National Institute of Health Bulletin No. 161, May, 1933. (Continuation of Hygienic Laboratory Bulletin Series). Washington: [publisher not identified], 1933.

MLA (9th ed.) Citation

Hygienic Laboratory (U.S.) and ProQuest (Firm). National Institute of Health Bulletin No. 161, May, 1933. (Continuation of Hygienic Laboratory Bulletin Series). [publisher not identified], 1933.