APA (7th ed.) Citation

Colio, B. (2009). Cuerdas. Privately published.

Chicago Style (17th ed.) Citation

Colio, Bárbara. Cuerdas. [Place of publication not identified]: Privately published, 2009.

MLA (9th ed.) Citation

Colio, Bárbara. Cuerdas. Privately published, 2009.