Cita APA (7th ed.)

Garcia, M. L. R. (1999). Natural family planning method. Kabayan.

Cita Chicago (17th ed.)

Garcia, Ma. Leonila R. "Natural Family Planning Method." Kabayan 1999.

Cita MLA (9th ed.)

Garcia, Ma. Leonila R. "Natural Family Planning Method." Kabayan, 1999.