APA (7th ed.) Citation

Karas, J. S. Y. Common poisonous plants of New England.

Chicago Style (17th ed.) Citation

Karas, Joseph S.; Youngken. Common Poisonous Plants of New England.

MLA (9th ed.) Citation

Karas, Joseph S.; Youngken. Common Poisonous Plants of New England.

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