Cita APA (7th ed.)

De Wilde, J. C., Clark, E., & Popper, D. H. (1939). Handbook of the war. Houghton Mifflin Co.

Cita Chicago (17th ed.)

De Wilde, John Charles, Eunice Clark, i David Henry Popper. Handbook of the War. Boston: Houghton Mifflin Co, 1939.

Cita MLA (9th ed.)

De Wilde, John Charles, et al. Handbook of the War. Houghton Mifflin Co, 1939.