Cita APA (7a ed.)

Central States Dental Dealers' Club. (1918). Proofs. PenWell Pub. Co., Dental Economics Division.

Cita Chicago Style (17a ed.)

Central States Dental Dealers' Club. Proofs. Tulsa, Okla: PenWell Pub. Co., Dental Economics Division, 1918.

Cita MLA (9a ed.)

Central States Dental Dealers' Club. Proofs. PenWell Pub. Co., Dental Economics Division, 1918.