Cita APA (7a ed.)

Williams, A., & Askland, H. H. (2012). The University of Newcastle: PP9-1288. Office for Learning and Teaching.

Cita Chicago Style (17a ed.)

Williams, Anthony, y Hedda Haugen Askland. The University of Newcastle: PP9-1288. Office for Learning and Teaching, 2012.

Cita MLA (9a ed.)

Williams, Anthony, y Hedda Haugen Askland. The University of Newcastle: PP9-1288. Office for Learning and Teaching, 2012.