Παραπομπή σε μορφή APA (7η εκδ.)

Bennis, W. G., Thomas, R. J., & Gergen, D. (2002). Geeks & geezers: How era, values, and defining moments shape leaders. Harvard Business School Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bennis, Warren G., Robert Joseph Thomas, και David Gergen. Geeks & Geezers: How Era, Values, and Defining Moments Shape Leaders. Boston, Massachusetts: Harvard Business School Press, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bennis, Warren G., et al. Geeks & Geezers: How Era, Values, and Defining Moments Shape Leaders. Harvard Business School Press, 2002.