APA (7th ed.) Citation

Collantes Díaz, A. (1970). El PERT. Index.

Chicago Style (17th ed.) Citation

Collantes Díaz, A. El PERT. Madrid [etc.]: Index, 1970.

MLA (9th ed.) Citation

Collantes Díaz, A. El PERT. Index, 1970.

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