MLA

Purves-Stewart, James, and Léon Laruelle. Le Diagnostic Des Maladies Nerveuses. Paris: Doin, 1939.

APA

Purves-Stewart, J., & Laruelle, L. (1939). Le diagnostic des maladies nerveuses. Paris: Doin.

Chicago

Purves-Stewart, James, Le Diagnostic Des Maladies Nerveuses. Edited by Léon Laruelle. Paris: Doin, 1939.