Cita APA (7a ed.)

Stokes, B. (1977). Filling the family planning gap. Worldwatch Institute.

Cita Chicago Style (17a ed.)

Stokes, Bruce. Filling the Family Planning Gap. Washington, DC: Worldwatch Institute, 1977.

Cita MLA (9a ed.)

Stokes, Bruce. Filling the Family Planning Gap. Worldwatch Institute, 1977.