Cita APA (7a ed.)

Stamp, L. D., & Herdman, T. (1950). Discovering geography abroad (1. publ., 8. impr.). Longman.

Cita Chicago Style (17a ed.)

Stamp, Laurence Dudley, y T. Herdman. Discovering Geography Abroad. 1. publ., 8. impr. London [u.a.]: Longman, 1950.

Cita MLA (9a ed.)

Stamp, Laurence Dudley, y T. Herdman. Discovering Geography Abroad. 1. publ., 8. impr. Longman, 1950.