APA (7th ed.) Citation

Leatherman, D. (1990). The training trilogy: Facilitation skills. HRD.

Chicago Style (17th ed.) Citation

Leatherman, Dick. The Training Trilogy: Facilitation Skills. Mass: HRD, 1990.

MLA (9th ed.) Citation

Leatherman, Dick. The Training Trilogy: Facilitation Skills. HRD, 1990.