APA (7th ed.) Citation

Thurstone, T. G., & Lillie, D. L. (1972). Perceptual skills. Science Research Associates.

Chicago Style (17th ed.) Citation

Thurstone, T. G., and David L. Lillie. Perceptual Skills. Chicago: Science Research Associates, 1972.

MLA (8th ed.) Citation

Thurstone, T. G., and David L. Lillie. Perceptual Skills. Science Research Associates, 1972.

Warning: These citations may not always be 100% accurate.