APA (7th ed.) Citation

Swinton, E. D. (1936). Twenty years after; the battlefields of 1914-18: Then and now. G. Newnes.

Chicago Style (17th ed.) Citation

Swinton, E. D. Twenty Years After; the Battlefields of 1914-18: Then and Now. London: G. Newnes, 1936.

MLA (9th ed.) Citation

Swinton, E. D. Twenty Years After; the Battlefields of 1914-18: Then and Now. G. Newnes, 1936.