Cita APA (7a ed.)

Blyton, E. (1988). The river of adventure. Piper Books.

Cita Chicago Style (17a ed.)

Blyton, Enid. The River of Adventure. Piper Books, 1988.

Cita MLA (8a ed.)

Blyton, Enid. The River of Adventure. Piper Books, 1988.