APA (7th ed.) Citation

Tirol, E. S. R. (1976). Programmed materials on English modals for college freshmen. National Book Store.

Chicago Style (17th ed.) Citation

Tirol, Evelyn S. Reyes. Programmed Materials on English Modals for College Freshmen. Manila: National Book Store, 1976.

MLA (9th ed.) Citation

Tirol, Evelyn S. Reyes. Programmed Materials on English Modals for College Freshmen. National Book Store, 1976.

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