Cita APA (7th ed.)

Cortes, L. P. (1994). Science and technology for a better life I: Integrated science (2nd ed.). DIWA Learning Systems].

Cita Chicago (17th ed.)

Cortes, Leticia P. Science and Technology for a Better Life I: Integrated Science. 2nd ed. [Phils: DIWA Learning Systems], 1994.

Cita MLA (9th ed.)

Cortes, Leticia P. Science and Technology for a Better Life I: Integrated Science. 2nd ed. DIWA Learning Systems], 1994.