APA (7th ed.) Citation

Youngken, H. W. (1951). Pharmaceutical botany. Blakiston.

Chicago Style (17th ed.) Citation

Youngken, Heber W. Pharmaceutical Botany. Philadelphia: Blakiston, 1951.

MLA (9th ed.) Citation

Youngken, Heber W. Pharmaceutical Botany. Blakiston, 1951.

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