APA (7th ed.) Citation

Constantino, L. R., & Constantino, L. B. (1989). A Constantino sampler. Karrel.

Chicago Style (17th ed.) Citation

Constantino, Letizia R., and Lourdes B. Constantino. A Constantino Sampler. Quezon City: Karrel, 1989.

MLA (9th ed.) Citation

Constantino, Letizia R., and Lourdes B. Constantino. A Constantino Sampler. Karrel, 1989.

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