APA (7th ed.) Citation

Spilhaus, A., Spilhaus, K., & McClary, N. (1989). Mechanical Toys: How old Toys Work. Robert Hale.

Chicago Style (17th ed.) Citation

Spilhaus, Athelstan, Kathleen Spilhaus, and Nelson McClary. Mechanical Toys: How Old Toys Work. London: Robert Hale, 1989.

MLA (8th ed.) Citation

Spilhaus, Athelstan, et al. Mechanical Toys: How Old Toys Work. Robert Hale, 1989.