Cita APA (7th ed.)

Downing, M. H. (1992). Introduction to cataloging and classification with 45 exhibits and 15 figures. McFarland & Co.

Cita Chicago (17th ed.)

Downing, Mildred Harlow. Introduction to Cataloging and Classification with 45 Exhibits and 15 Figures. Jefferson, North Carolina: McFarland & Co, 1992.

Cita MLA (9th ed.)

Downing, Mildred Harlow. Introduction to Cataloging and Classification with 45 Exhibits and 15 Figures. McFarland & Co, 1992.