Cita APA (7a ed.)

Cutting, D., & Maddocks, P. (2004). Stop that heart attack! (3rd ed.). Class.

Cita Chicago Style (17a ed.)

Cutting, Derrick, y Peter Maddocks. Stop That Heart Attack! 3rd ed. London: Class, 2004.

Cita MLA (8a ed.)

Cutting, Derrick, y Peter Maddocks. Stop That Heart Attack! 3rd ed. Class, 2004.