Cita APA (7a ed.)

Kirkpatrick, D. L., & Kirkpatrick, J. D. (2006). Evaluating training programs: The four levels (3rd edition.). Berrett-Koehler.

Cita Chicago Style (17a ed.)

Kirkpatrick, Donald L., y James D. Kirkpatrick. Evaluating Training Programs: The Four Levels. 3rd edition. San Francisco, CA: Berrett-Koehler, 2006.

Cita MLA (9a ed.)

Kirkpatrick, Donald L., y James D. Kirkpatrick. Evaluating Training Programs: The Four Levels. 3rd edition. Berrett-Koehler, 2006.