APA (7th ed.) Citation
Haas, K. H. d. (1935). Frenicle's 880 basic magic Squares of 4x4 cells.
Chicago Style (17th ed.) Citation
Haas, Karel H. de. Frenicle's 880 Basic Magic Squares of 4x4 Cells. 1935.
MLA (9th ed.) Citation
Haas, Karel H. de. Frenicle's 880 Basic Magic Squares of 4x4 Cells. 1935.
Warning: These citations may not always be 100% accurate.