APA (7th ed.) Citation

De la Cruz, L. d. D., Abellera, T. P., & Bilasano, J. B. (1972). Basic study skills: A workbook-textbook. Social Studies Publications.

Chicago Style (17th ed.) Citation

De la Cruz, Leonardo de Dios, Tomas P. Abellera, and Jose B. Bilasano. Basic Study Skills: A Workbook-textbook. Manila: Social Studies Publications, 1972.

MLA (9th ed.) Citation

De la Cruz, Leonardo de Dios, et al. Basic Study Skills: A Workbook-textbook. Social Studies Publications, 1972.