APA

Dwelshauvers G., . (1920). La Psychologie francaise contemporaine. Paris: Alcan.

Chicago

Dwelshauvers Georges, . 1920. La Psychologie francaise contemporaine. Paris: Alcan.

Harvard

Dwelshauvers G., . (1920). La Psychologie francaise contemporaine. Paris: Alcan.

MLA

Dwelshauvers Georges, . La Psychologie francaise contemporaine. Paris: Alcan. 1920.