Style de citation APA (7e éd.)

Harrop, D. A. (1980). A history of the Gregynog Press. Private Libraries Association.

Style de citation Chicago (17e éd.)

Harrop, Dorothy A. A History of the Gregynog Press. Pinner, Middlesex: Private Libraries Association, 1980.

Style de citation MLA (9e éd.)

Harrop, Dorothy A. A History of the Gregynog Press. Private Libraries Association, 1980.