Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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