Cita APA (7a ed.)

Dunrea, O. (2003). Ollie. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Dunrea, Olivier. Ollie. Boston: Houghton Mifflin, 2003.

Cita MLA (8a ed.)

Dunrea, Olivier. Ollie. Houghton Mifflin, 2003.