Cita APA (7a ed.)

Nissenson Marilyn & Jonas, S. (1992). The ubiquitous pig. Harry N.Abrams Publishers.

Cita Chicago Style (17a ed.)

Nissenson Marilyn y Susan Jonas. The Ubiquitous Pig. New York: Harry N.Abrams Publishers, 1992.

Cita MLA (9a ed.)

Nissenson Marilyn y Susan Jonas. The Ubiquitous Pig. Harry N.Abrams Publishers, 1992.