Edberg, R. (1966). On the shred of the cloud: Reflections on man and his enviroment. Harper & Row.
Chicago (17e ed.) BronvermeldingEdberg, Rolf. On the Shred of the Cloud: Reflections on Man and His Enviroment. London: Harper & Row, 1966.
MLA (9e ed.) BronvermeldingEdberg, Rolf. On the Shred of the Cloud: Reflections on Man and His Enviroment. Harper & Row, 1966.
Let op: Deze citaties zijn niet altijd 100% accuraat.