APA (7th ed.) Citation

Europa Publications, London. (1938). Orbis, encyclopaedia of extra-European countries: A survey and directory of political, industrial, financial, cultural and scientific organisations in the countries of Africa, America, Asia, and Australasia. Europa Publications.

Chicago Style (17th ed.) Citation

Europa Publications, London. Orbis, Encyclopaedia of Extra-European Countries: A Survey and Directory of Political, Industrial, Financial, Cultural and Scientific Organisations in the Countries of Africa, America, Asia, and Australasia. London: Europa Publications, 1938.

MLA (9th ed.) Citation

Europa Publications, London. Orbis, Encyclopaedia of Extra-European Countries: A Survey and Directory of Political, Industrial, Financial, Cultural and Scientific Organisations in the Countries of Africa, America, Asia, and Australasia. Europa Publications, 1938.