Cita APA (7th ed.)

Ervine, S. J. G. (1923). Mary, Mary, quite contrary: A light comedy in four acts. Macmillan.

Cita Chicago (17th ed.)

Ervine, St. John G. Mary, Mary, Quite Contrary: A Light Comedy in Four Acts. N.Y.: Macmillan, 1923.

Cita MLA (8th ed.)

Ervine, St. John G. Mary, Mary, Quite Contrary: A Light Comedy in Four Acts. Macmillan, 1923.