APA (7th ed.) Citation

(1968). Christmas Island: Map 2 ; D.O.S. (L.R.) 3034 A. Directorate of Overseas Surveys.

Chicago Style (17th ed.) Citation

Christmas Island: Map 2 ; D.O.S. (L.R.) 3034 A. [Tolworth/Surrey]: Directorate of Overseas Surveys, 1968.

MLA (9th ed.) Citation

Christmas Island: Map 2 ; D.O.S. (L.R.) 3034 A. Directorate of Overseas Surveys, 1968.