Cita APA (7a ed.)

Jones, P., & Pike, B. (1991). Landforms and hazards (Mainstream, 1. publ.). Nelson.

Cita Chicago Style (17a ed.)

Jones, Peter, y Bob Pike. Landforms and Hazards. Mainstream, 1. publ. Walton-on-Thames: Nelson, 1991.

Cita MLA (9a ed.)

Jones, Peter, y Bob Pike. Landforms and Hazards. Mainstream, 1. publ. Nelson, 1991.