Cita APA

Roberts, R. M. (1989). Serendipity. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Roberts, Royston M. Serendipity. John Wiley & Sons, 1989.

Cita MLA

Roberts, Royston M. Serendipity. John Wiley & Sons, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.