APA (7th ed.) Citation

Smithsonian Institution. (1937). On detailed skull structure of crested hadrosaurian dinosaur. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. On Detailed Skull Structure of Crested Hadrosaurian Dinosaur. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

Smithsonian Institution. On Detailed Skull Structure of Crested Hadrosaurian Dinosaur. [s.n.], 1937.