Cita APA (7th ed.)

Pammel, L. B. A manual of poisonous plants: Chiefly of eastern north America, with brief notes on economic and medicinal plants, and numerous illustration.

Cita Chicago (17th ed.)

Pammel, L. B. A Manual of Poisonous Plants: Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustration.

Cita MLA (9th ed.)

Pammel, L. B. A Manual of Poisonous Plants: Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustration.