Van Duin, A. (1942). The Psychology of Character According to William McDougall: By Adelbert van Duin OSB. Typis Proto-Coenobii.
Chicago-Zitierstil (17. Ausg.)Van Duin, Adelbert. The Psychology of Character According to William McDougall: By Adelbert Van Duin OSB. Sublaci: Typis Proto-Coenobii, 1942.
MLA-Zitierstil (8. Ausg.)Van Duin, Adelbert. The Psychology of Character According to William McDougall: By Adelbert Van Duin OSB. Typis Proto-Coenobii, 1942.
警告：這些引文格式不一定是100％准確.