APA (7th ed.) Citation

Beckman, H. The 1949 year book of drug therapy: November, 1948 - October, 1949. The Year Book Publishers.

Chicago Style (17th ed.) Citation

Beckman, Harry. The 1949 Year Book of Drug Therapy: November, 1948 - October, 1949. Chicago: The Year Book Publishers.

MLA (8th ed.) Citation

Beckman, Harry. The 1949 Year Book of Drug Therapy: November, 1948 - October, 1949. The Year Book Publishers.

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