APA (7th ed.) Citation

Leslie, S. (1923). Mark Sykes: His life and letters. Cassell.

Chicago Style (17th ed.) Citation

Leslie, Shane. Mark Sykes: His Life and Letters. London [u.a.]: Cassell, 1923.

MLA (8th ed.) Citation

Leslie, Shane. Mark Sykes: His Life and Letters. Cassell, 1923.