APA (7th ed.) Citation

Yeats, W. B., & Hogan, W. P. (2009). "The golden helmet": And, "The green helmet" : manuscript materials. Cornell University Press.

Chicago Style (17th ed.) Citation

Yeats, W. B., and William P. Hogan. "The Golden Helmet": And, "The Green Helmet" : Manuscript Materials. Ithaca: Cornell University Press, 2009.

MLA (9th ed.) Citation

Yeats, W. B., and William P. Hogan. "The Golden Helmet": And, "The Green Helmet" : Manuscript Materials. Cornell University Press, 2009.