APA (7th ed.) Citation

Shull, G. H. (1905). Stages in the development of Sium cicutaefolium. Carnegie institution.

Chicago Style (17th ed.) Citation

Shull, George Harrison. Stages in the Development of Sium Cicutaefolium. Washington, D.C.: Carnegie institution, 1905.

MLA (9th ed.) Citation

Shull, George Harrison. Stages in the Development of Sium Cicutaefolium. Carnegie institution, 1905.

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