Cita APA (7a ed.)

Billingham, R. 1., & Grazda, E. (2014). Ray's a laugh. Errata.

Cita Chicago Style (17a ed.)

Billingham, Richard 1970, y Edward Grazda. Ray's a Laugh. New York: Errata, 2014.

Cita MLA (8a ed.)

Billingham, Richard 1970, y Edward Grazda. Ray's a Laugh. Errata, 2014.