Cita APA (7th ed.)

Potter, B. (1985). The tale of squirrel nutkin. Penguin Books.

Cita Chicago (17th ed.)

Potter, Beatrix. The Tale of Squirrel Nutkin. Londres: Penguin Books, 1985.

Cita MLA (9th ed.)

Potter, Beatrix. The Tale of Squirrel Nutkin. Penguin Books, 1985.