APA (7th ed.) Citation

Smithsonian Institution. (1934). Phototropic sensitivity in relation to wave length. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Phototropic Sensitivity in Relation to Wave Length. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

Smithsonian Institution. Phototropic Sensitivity in Relation to Wave Length. [s.n.], 1934.

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