Cita APA (7th ed.)

Pengelly, A. (1949). The Constituents of Medicinal Plants: An Introduction to the Chemistry and Therapeutics of Herbal Medicine (2nd.). Ausrtralia.

Cita Chicago (17th ed.)

Pengelly, Andrew. The Constituents of Medicinal Plants: An Introduction to the Chemistry and Therapeutics of Herbal Medicine. 2nd. Allen & Unwin: Ausrtralia, 1949.

Cita MLA (9th ed.)

Pengelly, Andrew. The Constituents of Medicinal Plants: An Introduction to the Chemistry and Therapeutics of Herbal Medicine. 2nd. Ausrtralia, 1949.