APA (7th ed.) Citation

Leonard, O. E. (1952). Problems of rural housing in Eastern Pernambuco. By Olen E. Leonard.

Chicago Style (17th ed.) Citation

Leonard, Olen E. Problems of Rural Housing in Eastern Pernambuco. By Olen E. Leonard. New York, 1952.

MLA (9th ed.) Citation

Leonard, Olen E. Problems of Rural Housing in Eastern Pernambuco. By Olen E. Leonard. 1952.