Cita APA (7a ed.)

Bischof, G., Karner, S., & Ruggenthaler, P. (2010). The Prague Spring and the Warsaw Pact invasion of Czechoslovakia in 1968. Lexington Books.

Cita Chicago Style (17a ed.)

Bischof, Günter, Stefan Karner, y Peter Ruggenthaler. The Prague Spring and the Warsaw Pact Invasion of Czechoslovakia in 1968. Lanham, Md.: Lexington Books, 2010.

Cita MLA (8a ed.)

Bischof, Günter, et al. The Prague Spring and the Warsaw Pact Invasion of Czechoslovakia in 1968. Lexington Books, 2010.