APA (7th ed.) Citation

Snyder, L. L., Sevareid, E., & Ribera, A. (1964). La guerra 1939-1945. Grijalbo.

Chicago Style (17th ed.) Citation

Snyder, Louis L., Eric Sevareid, and Antonio Ribera. La Guerra 1939-1945. Barcelona [etc.]: Grijalbo, 1964.

MLA (9th ed.) Citation

Snyder, Louis L., et al. La Guerra 1939-1945. Grijalbo, 1964.