Constant Permeke.

MLA

Stubbe, Achiel, and August Vermeylen. Constant Permeke. Leuven: Davidsfonds, 1931.

APA

Stubbe, A., & Vermeylen, A. (1931). Constant Permeke. Leuven: Davidsfonds.

Chicago

Stubbe, Achiel, and August Vermeylen. Constant Permeke. Leuven: Davidsfonds, 1931.