APA (7th ed.) Citation

Nem Singh, R. P., & Pengson, M. S. P. (1990). Gems in world literature. National Book Store.

Chicago Style (17th ed.) Citation

Nem Singh, Rosario P., and Ma. Sylvia Ples Pengson. Gems in World Literature. Metro Manila: National Book Store, 1990.

MLA (9th ed.) Citation

Nem Singh, Rosario P., and Ma. Sylvia Ples Pengson. Gems in World Literature. National Book Store, 1990.