APA (7th ed.) Citation

Santos, E. Z. D. (1982). Advanced algebra: (with an introduction to circular functions). ERA Philippines Inc.

Chicago Style (17th ed.) Citation

Santos, Ester Z Doval. Advanced Algebra: (with an Introduction to Circular Functions). Metro Manila: ERA Philippines Inc, 1982.

MLA (9th ed.) Citation

Santos, Ester Z Doval. Advanced Algebra: (with an Introduction to Circular Functions). ERA Philippines Inc, 1982.