APA (7th ed.) Citation

Marcos, I. R. Green revolution: A revolution that knows no class or national barriers.

Chicago Style (17th ed.) Citation

Marcos, Imelda R. Green Revolution: A Revolution That Knows No Class or National Barriers.

MLA (9th ed.) Citation

Marcos, Imelda R. Green Revolution: A Revolution That Knows No Class or National Barriers.

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