APA (7th ed.) Citation

Wheldon, J. (1968). Machine age armies. Abelard-Schuman.

Chicago Style (17th ed.) Citation

Wheldon, John. Machine Age Armies. London, New York [etc.]: Abelard-Schuman, 1968.

MLA (8th ed.) Citation

Wheldon, John. Machine Age Armies. Abelard-Schuman, 1968.

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