APA (7th ed.) Citation

Haen, P. d. (1949). Development schedule of new drug products. R. Pierson.

Chicago Style (17th ed.) Citation

Haen, Paul de. Development Schedule of New Drug Products. New York: R. Pierson, 1949.

MLA (9th ed.) Citation

Haen, Paul de. Development Schedule of New Drug Products. R. Pierson, 1949.