Cita APA (7a ed.)

Gifford Griselda & Rayner, M. (1978). Cass the brave. Puffin Books.

Cita Chicago Style (17a ed.)

Gifford Griselda y Mary Rayner. Cass the Brave. New York: Puffin Books, 1978.

Cita MLA (9a ed.)

Gifford Griselda y Mary Rayner. Cass the Brave. Puffin Books, 1978.