Graaf, Co de. . Schuurhuizen, Jo. . Brehm, Dirk.
Chicago Style (17th ed.) CitationGraaf, Co De. . Schuurhuizen, Jo. . Brehm, Dirk.
MLA (8th ed.) CitationGraaf, Co De. . Schuurhuizen, Jo. . Brehm, Dirk.
Warning: These citations may not always be 100% accurate.