Cita APA (7th ed.)

Reck, R. (2013). The Engagement Formula. Westland Ltd.

Cita Chicago (17th ed.)

Reck, Ross. The Engagement Formula. New Delhi: Westland Ltd, 2013.

Cita MLA (9th ed.)

Reck, Ross. The Engagement Formula. Westland Ltd, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.