APA (7th ed.) Citation

Galsworthy, J. (1977). The silver box: A comedy in three actes (Repr. in larger format.). Duckworth.

Chicago Style (17th ed.) Citation

Galsworthy, John. The Silver Box: A Comedy in Three Actes. Repr. in larger format. London: Duckworth, 1977.

MLA (9th ed.) Citation

Galsworthy, John. The Silver Box: A Comedy in Three Actes. Repr. in larger format. Duckworth, 1977.