Παραπομπή σε μορφή APA (7η εκδ.)

Lartey, G. W. (1977). The fourth dimension: The argument against the theory of evolutionary stages of social development. University of Lund.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lartey, George Wilhelm. The Fourth Dimension: The Argument Against the Theory of Evolutionary Stages of Social Development. [Lund]: University of Lund, 1977.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lartey, George Wilhelm. The Fourth Dimension: The Argument Against the Theory of Evolutionary Stages of Social Development. University of Lund, 1977.