Cita APA (7th ed.)

Clark, R. C. [. C. (2006). Index card games for esl (Third edition.). Pro Lingua Associates.

Cita Chicago (17th ed.)

Clark, Raymond C. [ Compiler]. Index Card Games for Esl. Third edition. USA: Pro Lingua Associates, 2006.

Cita MLA (9th ed.)

Clark, Raymond C. [ Compiler]. Index Card Games for Esl. Third edition. Pro Lingua Associates, 2006.