Cita APA (7a ed.)

FitzGibbon, L., & FitzGibbon, C. (1971). Katyn. Tom Stacey.

Cita Chicago Style (17a ed.)

FitzGibbon, Louis, y Constantine FitzGibbon. Katyn. London: Tom Stacey, 1971.

Cita MLA (9a ed.)

FitzGibbon, Louis, y Constantine FitzGibbon. Katyn. Tom Stacey, 1971.