APA Style

Limited, E, P. (1971). THE MIDDLE EAST AND NORTH AFRICA 1971-72: A Survey and Reference Book Eighteenth Edition (Ed.18). London: Europa Publications Limited.

MLA Style

Limited, Europa, Publications. "THE MIDDLE EAST AND NORTH AFRICA 1971-72: A Survey and Reference Book Eighteenth Edition". Ed.18 London: Europa Publications Limited, 1971. Text.