Cita APA (7a ed.)

Higgs, C., & Vigar, B. (2013). Voices in flight: The dambuster squadron. Pen & Sword Aviation.

Cita Chicago Style (17a ed.)

Higgs, Colin, y Bruce Vigar. Voices in Flight: The Dambuster Squadron. Barnsley, South Yorkshire: Pen & Sword Aviation, 2013.

Cita MLA (9a ed.)

Higgs, Colin, y Bruce Vigar. Voices in Flight: The Dambuster Squadron. Pen & Sword Aviation, 2013.