APA (7th ed.) Citation

Isidro, A. (1939). Extending educational frontiers. University of the Philippines.

Chicago Style (17th ed.) Citation

Isidro, Antonio. Extending Educational Frontiers. Manila: University of the Philippines, 1939.

MLA (9th ed.) Citation

Isidro, Antonio. Extending Educational Frontiers. University of the Philippines, 1939.

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