APA (7th ed.) Citation

Cassel, R. N., & Stancik, E. J. (1961). The leadership ability evaluation: Manual. WPS.

Chicago Style (17th ed.) Citation

Cassel, Russell N., and Edward J. Stancik. The Leadership Ability Evaluation: Manual. Los Angeles: WPS, 1961.

MLA (9th ed.) Citation

Cassel, Russell N., and Edward J. Stancik. The Leadership Ability Evaluation: Manual. WPS, 1961.