APA

Wilkinson R. T., . (1961). Interaction of lack of sleep with knowledge of results, repeated testing, and individual differences. : Journal of experimental psychology.

Chicago

Wilkinson Robert T, . 1961. Interaction of lack of sleep with knowledge of results, repeated testing, and individual differences. : Journal of experimental psychology.

Harvard

Wilkinson R. T., . (1961). Interaction of lack of sleep with knowledge of results, repeated testing, and individual differences. : Journal of experimental psychology.

MLA

Wilkinson Robert T, . Interaction of lack of sleep with knowledge of results, repeated testing, and individual differences. : Journal of experimental psychology. 1961.