APA (7th ed.) Citation

Romulo, C. P. The challenge of the next 25 years.

Chicago Style (17th ed.) Citation

Romulo, Carlos P. The Challenge of the Next 25 Years. 1970.

MLA (8th ed.) Citation

Romulo, Carlos P. The Challenge of the Next 25 Years.

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