Cita APA (7a ed.)

Johnson, D., & Evans, H. (1980). The young geographer (1. publ., reprinted.). Wheaton.

Cita Chicago Style (17a ed.)

Johnson, David, y Haydn Evans. The Young Geographer. 1. publ., reprinted. Exeter: Wheaton, 1980.

Cita MLA (9a ed.)

Johnson, David, y Haydn Evans. The Young Geographer. 1. publ., reprinted. Wheaton, 1980.