Cita APA (7a ed.)

(1983). Beckmann. Open University/BBC, 1985 distributed by Rolan Collection.

Cita Chicago Style (17a ed.)

Beckmann. London: Open University/BBC, 1985 distributed by Rolan Collection, 1983.

Cita MLA (9a ed.)

Beckmann. Open University/BBC, 1985 distributed by Rolan Collection, 1983.