Cita APA (7a ed.)

Osborne, J., & Hayman, R. (1976). Contemporary Playwrights (3rd ed.). Heinemann.

Cita Chicago Style (17a ed.)

Osborne, John, y Ronald Hayman. Contemporary Playwrights. 3rd ed. London: Heinemann, 1976.

Cita MLA (9a ed.)

Osborne, John, y Ronald Hayman. Contemporary Playwrights. 3rd ed. Heinemann, 1976.