Gaya APA

Leeuwen, A. (1972). Critique of heaven : the first of the Gifford lectures entitled "critique of heaven and earth" . London: Lutterworth Press.

Gaya MLA

Leeuwen, Arend. "Critique of heaven : the first of the Gifford lectures entitled "critique of heaven and earth"". London: Lutterworth Press, 1972. Text.