APA (7th ed.) Citation

Sellin, D. F., & Birch, J. W. (1981). Psychoeducational development of gifted and talented learners. Aspen Systems Corp..

Chicago Style (17th ed.) Citation

Sellin, Donald F., and Jack W. Birch. Psychoeducational Development of Gifted and Talented Learners. Rockville, Md.: Aspen Systems Corp., 1981.

MLA (9th ed.) Citation

Sellin, Donald F., and Jack W. Birch. Psychoeducational Development of Gifted and Talented Learners. Aspen Systems Corp., 1981.