APA (7th ed.) Citation

O'Leary, D. L. (1973). Arabia before Muhammad (Reprint. from the ed. of 1927, London.). AMS Pr.

Chicago Style (17th ed.) Citation

O'Leary, De Lacy. Arabia Before Muhammad. Reprint. from the ed. of 1927, London. New York: AMS Pr, 1973.

MLA (9th ed.) Citation

O'Leary, De Lacy. Arabia Before Muhammad. Reprint. from the ed. of 1927, London. AMS Pr, 1973.