Menschen en machines.

MLA

Chase, Stuart, P Telder, and W.T Murch. Menschen En Machines. 's-Gravenhage: Leopold, 1931.

APA

Chase, S., Telder, P., & Murch, W. (1931). Menschen en machines. 's-Gravenhage: Leopold.

Chicago

Chase, Stuart, P Telder, and W.T Murch. Menschen En Machines. 's-Gravenhage: Leopold, 1931.