Library of Congress. Classification Division & Perley, C. W. (1927). Classification: Class B, part II, BL-BX: Religion. Printed as manuscript. U.S. Govt. print. off..
Style de citation Chicago (17e éd.)Library of Congress. Classification Division et Clarence Warner Perley. Classification: Class B, Part II, BL-BX: Religion. Printed as Manuscript. Washington: U.S. Govt. print. off., 1927.
Style de citation MLA (8e éd.)Library of Congress. Classification Division et Clarence Warner Perley. Classification: Class B, Part II, BL-BX: Religion. Printed as Manuscript. U.S. Govt. print. off., 1927.
Attention : ces citations peuvent ne pas être correctes à 100%.