Cita APA (7a ed.)

Lewis, G. E. D., & Koh, E. K. (1963). A workbook of local geography (1. publ.). Longmans of Malaya.

Cita Chicago Style (17a ed.)

Lewis, Gerwyn Elidor David, y Eng Kiat Koh. A Workbook of Local Geography. 1. publ. Kuala Lumpur: Longmans of Malaya, 1963.

Cita MLA (9a ed.)

Lewis, Gerwyn Elidor David, y Eng Kiat Koh. A Workbook of Local Geography. 1. publ. Longmans of Malaya, 1963.