APA (7th ed.) Citation

Ettinghausen, R. (1950). The unicorn. [Smithsonian Institution].

Chicago Style (17th ed.) Citation

Ettinghausen, Richard. The Unicorn. Washington: [Smithsonian Institution], 1950.

MLA (9th ed.) Citation

Ettinghausen, Richard. The Unicorn. [Smithsonian Institution], 1950.

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