Style de citation APA (7e éd.)

Darling, P. W., & Ogden, S. (1981). From Problems Perceived to Programs in Practice: The Preservation of Library Resources in the U.S.A., 1956-1980.

Style de citation Chicago (17e éd.)

Darling, Pamela W., et Sherelyn Ogden. From Problems Perceived to Programs in Practice: The Preservation of Library Resources in the U.S.A., 1956-1980. 1981.

Style de citation MLA (9e éd.)

Darling, Pamela W., et Sherelyn Ogden. From Problems Perceived to Programs in Practice: The Preservation of Library Resources in the U.S.A., 1956-1980. 1981.