APA (7th ed.) Citation

Youngken, H. W. (1927). Pharmaceutical botany (Fifth edition, revised and enlarged.). P. Blakiston's Son & Co..

Chicago Style (17th ed.) Citation

Youngken, Heber Wilkinson. Pharmaceutical Botany. Fifth edition, revised and enlarged. Philadelphia: P. Blakiston's Son & Co., 1927.

MLA (9th ed.) Citation

Youngken, Heber Wilkinson. Pharmaceutical Botany. Fifth edition, revised and enlarged. P. Blakiston's Son & Co., 1927.

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