APA Style

Jong, W, D. (2022). The 12 (Twelve) Week Mind Workout : Focused Training for Mental Strength and Balance (Cet 1). London: John Muray Press.

MLA Style

Jong, Wouter, De. "The 12 (Twelve) Week Mind Workout : Focused Training for Mental Strength and Balance". Cet 1 London: John Muray Press, 2022. Text.