Cita APA

Spence, D. (2005). Risk—the game of life. BMJ Publishing Group Ltd.

Chicago Style Citation

Spence, Des. Risk—the Game of Life. BMJ Publishing Group Ltd, 2005.

Cita MLA

Spence, Des. Risk—the Game of Life. BMJ Publishing Group Ltd, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.