Cita APA (7a ed.)

Yolen, J., & Graves, L. D. (2011). Sister Bear: A Norse tale. Marshall Cavendish Children's.

Cita Chicago Style (17a ed.)

Yolen, Jane, y Linda Dockey Graves. Sister Bear: A Norse Tale. Tarrytown, NY: Marshall Cavendish Children's, 2011.

Cita MLA (8a ed.)

Yolen, Jane, y Linda Dockey Graves. Sister Bear: A Norse Tale. Marshall Cavendish Children's, 2011.