APA (7th ed.) Citation
Laughlin, H. H. (1919). Duration of the several mitotic stages in the dividing root-tip cells of the common onion.
Chicago Style (17th ed.) Citation
Laughlin, Harry Hamilton. Duration of the Several Mitotic Stages in the Dividing Root-tip Cells of the Common Onion. Washington, 1919.
MLA (9th ed.) Citation
Laughlin, Harry Hamilton. Duration of the Several Mitotic Stages in the Dividing Root-tip Cells of the Common Onion. 1919.
Warning: These citations may not always be 100% accurate.