Cita APA (7a ed.)

Gray, E. C. (1983). Notes on leaving certificate history: Ireland 1850 - 1950 and Europe 1850 - 1950 (1. publ. 1981, rev. ed.). Helicon.

Cita Chicago Style (17a ed.)

Gray, E. C. Notes on Leaving Certificate History: Ireland 1850 - 1950 and Europe 1850 - 1950. 1. publ. 1981, rev. ed. Dublin: Helicon, 1983.

Cita MLA (9a ed.)

Gray, E. C. Notes on Leaving Certificate History: Ireland 1850 - 1950 and Europe 1850 - 1950. 1. publ. 1981, rev. ed. Helicon, 1983.