Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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