APA (7th ed.) Citation

Ludy, R. B., & Youngken, H. W. (1926). Answers to questions prescribed to pharmaceutical state boards (3d ed., rev. and enl.). J.J. McVey.

Chicago Style (17th ed.) Citation

Ludy, Robert Borneman, and Heber Wilkinson Youngken. Answers to Questions Prescribed to Pharmaceutical State Boards. 3d ed., rev. and enl. Philadelphia: J.J. McVey, 1926.

MLA (8th ed.) Citation

Ludy, Robert Borneman, and Heber Wilkinson Youngken. Answers to Questions Prescribed to Pharmaceutical State Boards. 3d ed., rev. and enl. J.J. McVey, 1926.