Cita APA (7a ed.)

Laing, C. M. (2012). In Play, At Play. University of Calgary.

Cita Chicago Style (17a ed.)

Laing, Catherine Mohrea. In Play, At Play. University of Calgary, 2012.

Cita MLA (8a ed.)

Laing, Catherine Mohrea. In Play, At Play. University of Calgary, 2012.