APA (7th ed.) Citation

Wiegand, K. M. (1897). A Neglected North American Euphorbia. Zenodo.

Chicago Style (17th ed.) Citation

Wiegand, K. M. A Neglected North American Euphorbia. Zenodo, 1897.

MLA (9th ed.) Citation

Wiegand, K. M. A Neglected North American Euphorbia. Zenodo, 1897.

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