Citazione Stile APA (7a Edizione)

Smithers, A. J., & Hackett, J. W. (1989). Rude mechanicals: An account of tank maturity during the Second World War. Grafton Books.

Citazione stile Chigago Style (17a edizione)

Smithers, Alan Jack., e John Wintrop Hackett. Rude Mechanicals: An Account of Tank Maturity During the Second World War. London, [etc.]: Grafton Books, 1989.

Citatione MLA (9a ed.)

Smithers, Alan Jack., e John Wintrop Hackett. Rude Mechanicals: An Account of Tank Maturity During the Second World War. Grafton Books, 1989.