APA (7th ed.) Citation

Mansfield, W. (1926). Mansfield's Materia medica and pharmacognosy. W. Mansfield.

Chicago Style (17th ed.) Citation

Mansfield, William. Mansfield's Materia Medica and Pharmacognosy. Albany, N. Y.: W. Mansfield, 1926.

MLA (8th ed.) Citation

Mansfield, William. Mansfield's Materia Medica and Pharmacognosy. W. Mansfield, 1926.