Colquhoun, W. P. (1972). Aspects of human efficiency: Diurnal rhythm and loss of sleep. English Universities Press.
Chicago Edition CitationColquhoun, W. P. Aspects of Human Efficiency: Diurnal Rhythm and Loss of Sleep. London: English Universities Press, 1972.
MLA Edition CitationColquhoun, W. P. Aspects of Human Efficiency: Diurnal Rhythm and Loss of Sleep. English Universities Press, 1972.
Warning: These citations may not always be 100% accurate.