APA (7th ed.) Citation

Hammerly Dupuy, D. (1947). El mundo del futuro. Pacific Press Publishing Association.

Chicago Style (17th ed.) Citation

Hammerly Dupuy, Daniel. El Mundo Del Futuro. Mountain View (California) [etc.]: Pacific Press Publishing Association, 1947.

MLA (9th ed.) Citation

Hammerly Dupuy, Daniel. El Mundo Del Futuro. Pacific Press Publishing Association, 1947.