APA (7th ed.) Citation

Boyle, A. (1977). The riddle of Erskine Childers / (by) Andrew Boyle. Hutchinson.

Chicago Style (17th ed.) Citation

Boyle, Andrew. The Riddle of Erskine Childers / (by) Andrew Boyle. London: Hutchinson, 1977.

MLA (9th ed.) Citation

Boyle, Andrew. The Riddle of Erskine Childers / (by) Andrew Boyle. Hutchinson, 1977.

Warning: These citations may not always be 100% accurate.