APA (7th ed.) Citation

Gleason, R. W. 1. a. (1960). El mundo futuro. Sal Terrae.

Chicago Style (17th ed.) Citation

Gleason, Robert W. 1917-1982 autor. El Mundo Futuro. Santander: Sal Terrae, 1960.

MLA (9th ed.) Citation

Gleason, Robert W. 1917-1982 autor. El Mundo Futuro. Sal Terrae, 1960.

Warning: These citations may not always be 100% accurate.