Cita APA (7a ed.)

Finnis, J., & Martin, P. (2003). Another turn for the Turtle.

Cita Chicago Style (17a ed.)

Finnis, J., y P. Martin. Another Turn for the Turtle. 2003.

Cita MLA (9a ed.)

Finnis, J., y P. Martin. Another Turn for the Turtle. 2003.