APA (7th ed.) Citation

Stapfer, H. (1992). Su-25 Frogfoot in action. Squadron/Signal Publications.

Chicago Style (17th ed.) Citation

Stapfer, Hans-Heiri. Su-25 Frogfoot in Action. Carrollton, Tex.: Squadron/Signal Publications, 1992.

MLA (9th ed.) Citation

Stapfer, Hans-Heiri. Su-25 Frogfoot in Action. Squadron/Signal Publications, 1992.