APA (7th ed.) Citation

Piechowiak, A. B., & Cook, M. B. (1976). Complete guide to the elementary learning center. Park Pub. Co.

Chicago Style (17th ed.) Citation

Piechowiak, Ann B., and Myra B. Cook. Complete Guide to the Elementary Learning Center. N. Y: Park Pub. Co, 1976.

MLA (9th ed.) Citation

Piechowiak, Ann B., and Myra B. Cook. Complete Guide to the Elementary Learning Center. Park Pub. Co, 1976.