Cita APA (7a ed.)

Roberts, G. (1867). Idalia, or, The adventuress: A drama in three acts. T.H. Lacy.

Cita Chicago Style (17a ed.)

Roberts, George. Idalia, or, The Adventuress: A Drama in Three Acts. London: T.H. Lacy, 1867.

Cita MLA (8a ed.)

Roberts, George. Idalia, or, The Adventuress: A Drama in Three Acts. T.H. Lacy, 1867.