Gleason, R. W., & Lðpez, J. L. (1960). El mundo futuro. Sal Terrae.
Chicago Style (17th ed.) CitationGleason, Robert W., and JosØ L. Lðpez. El Mundo Futuro. Santander: Sal Terrae, 1960.
MLA (9th ed.) CitationGleason, Robert W., and JosØ L. Lðpez. El Mundo Futuro. Sal Terrae, 1960.
Warning: These citations may not always be 100% accurate.