APA (7th ed.) Citation

Roxas, S. K. I., & Manahan, G. V. Urban land problems.

Chicago Style (17th ed.) Citation

Roxas, Sixto K. III, and Geronimo V. Manahan. Urban Land Problems.

MLA (9th ed.) Citation

Roxas, Sixto K. III, and Geronimo V. Manahan. Urban Land Problems.

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