APA (7th ed.) Citation

Bulletin, M. S. Vitamin B12: Merck Service Bulletin. MERCK & CO, INC.

Chicago Style (17th ed.) Citation

Bulletin, Merck Service. Vitamin B12: Merck Service Bulletin. MERCK & CO, INC.

MLA (8th ed.) Citation

Bulletin, Merck Service. Vitamin B12: Merck Service Bulletin. MERCK & CO, INC.

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