APA (7th ed.) Citation

Hanson, C. F., & French, A. W. (1890). Gipsy queen: Operetta in two acts. O. Ditson.

Chicago Style (17th ed.) Citation

Hanson, Carl F., and Arthur W. French. Gipsy Queen: Operetta in Two Acts. Boston: O. Ditson, 1890.

MLA (8th ed.) Citation

Hanson, Carl F., and Arthur W. French. Gipsy Queen: Operetta in Two Acts. O. Ditson, 1890.