APA (7th ed.) Citation

Galsworthy, J. (1929). A modern comedy. C. Scribner's Sons.

Chicago Style (17th ed.) Citation

Galsworthy, John. A Modern Comedy. New York: C. Scribner's Sons, 1929.

MLA (9th ed.) Citation

Galsworthy, John. A Modern Comedy. C. Scribner's Sons, 1929.