APA (7th ed.) Citation

Whitman, W., Illian, G., & Vaulchier, S. d. (1923). Poem describing a perfect school. [Simon de Vaulchier].

Chicago Style (17th ed.) Citation

Whitman, Walt, George Illian, and Simon de Vaulchier. Poem Describing a Perfect School. [New York]: [Simon de Vaulchier], 1923.

MLA (9th ed.) Citation

Whitman, Walt, et al. Poem Describing a Perfect School. [Simon de Vaulchier], 1923.