APA (7th ed.) Citation

Klenke, W. W. (1935). Unique simple toys. McKnight & McKnight.

Chicago Style (17th ed.) Citation

Klenke, William W. Unique Simple Toys. Bloomington, Ill.: McKnight & McKnight, 1935.

MLA (8th ed.) Citation

Klenke, William W. Unique Simple Toys. McKnight & McKnight, 1935.