Cita APA (7a ed.)

Ibsen, H., & Fjelde, R. (1970). Four major plays. New American Library.

Cita Chicago Style (17a ed.)

Ibsen, Henrik, y Rolf Fjelde. Four Major Plays. New York: New American Library, 1970.

Cita MLA (8a ed.)

Ibsen, Henrik, y Rolf Fjelde. Four Major Plays. New American Library, 1970.