APA (7th ed.) Citation

Yeats, W. B. (1919). The wild swan at Coole. The Macmillan company.

Chicago Style (17th ed.) Citation

Yeats, W. B. The Wild Swan at Coole. New York: The Macmillan company, 1919.

MLA (9th ed.) Citation

Yeats, W. B. The Wild Swan at Coole. The Macmillan company, 1919.