Reino Unido. Foreign Office. Directorate of Overseas Surveys. (1960). Alexander Island. Directorate of Overseas Surveys.
Cita Chicago Style (17a ed.)Reino Unido. Foreign Office. Directorate of Overseas Surveys. Alexander Island. London: Directorate of Overseas Surveys, 1960.
Cita MLA (8a ed.)Reino Unido. Foreign Office. Directorate of Overseas Surveys. Alexander Island. Directorate of Overseas Surveys, 1960.
Precaución: Estas citas no son 100% exactas.