Cita APA (7th ed.)

Leather, D. (2003). Yorkshire dales (1a. ed.). HarperCollins.

Cita Chicago (17th ed.)

Leather, David. Yorkshire Dales. 1a. ed. Londres: HarperCollins, 2003.

Cita MLA (9th ed.)

Leather, David. Yorkshire Dales. 1a. ed. HarperCollins, 2003.