Cita APA (7a ed.)

Pennie, J. F. (1821). Ethel wolf, or, The Danish pirates: A tragedy in five acts. Whittaker.

Cita Chicago Style (17a ed.)

Pennie, J. F. Ethel Wolf, or, The Danish Pirates: A Tragedy in Five Acts. London: Whittaker, 1821.

Cita MLA (8a ed.)

Pennie, J. F. Ethel Wolf, or, The Danish Pirates: A Tragedy in Five Acts. Whittaker, 1821.