Style de citation APA (7e éd.)

Villarmil, M. M. L., Favila, R. A., & Serrano, M. J. (1967). School mathematics I. Addison-Wesley.

Style de citation Chicago (17e éd.)

Villarmil, Ma. Mauricia L., Raymundo A. Favila, et Maria J. Serrano. School Mathematics I. Manila: Addison-Wesley, 1967.

Style de citation MLA (9e éd.)

Villarmil, Ma. Mauricia L., et al. School Mathematics I. Addison-Wesley, 1967.