APA (7th ed.) Citation

Heun, L. R., & Heun, R. E. (1978). Developing skills for human interaction (2nd ed.). C.E. Merrill Pub. Co..

Chicago Style (17th ed.) Citation

Heun, Linda R., and Richard E. Heun. Developing Skills for Human Interaction. 2nd ed. Columbus: C.E. Merrill Pub. Co., 1978.

MLA (9th ed.) Citation

Heun, Linda R., and Richard E. Heun. Developing Skills for Human Interaction. 2nd ed. C.E. Merrill Pub. Co., 1978.