Cita APA (7a ed.)

Jewell, N., & Thiesing, L. (1992). Two silly trolls. HarperCollins.

Cita Chicago Style (17a ed.)

Jewell, Nancy, y Lisa Thiesing. Two Silly Trolls. [New York]: HarperCollins, 1992.

Cita MLA (8a ed.)

Jewell, Nancy, y Lisa Thiesing. Two Silly Trolls. HarperCollins, 1992.

Precaución: Estas citas no son 100% exactas.