Cita APA (7th ed.)

Williams, H. S., & Williams, E. H. (1915). Modern warfare. Grant Richards.

Cita Chicago (17th ed.)

Williams, Henry Smith, i Edward Huntington Williams. Modern Warfare. London: Grant Richards, 1915.

Cita MLA (8th ed.)

Williams, Henry Smith, i Edward Huntington Williams. Modern Warfare. Grant Richards, 1915.