Cita APA (7a ed.)

Langford, C. M. (1976). Birth control practice and marital fertility in Great Britain: A Report on a Survey Carried out in 1967-68. Population Investigation Committee.

Cita Chicago Style (17a ed.)

Langford, C. M. Birth Control Practice and Marital Fertility in Great Britain: A Report on a Survey Carried Out in 1967-68. London: Population Investigation Committee, 1976.

Cita MLA (9a ed.)

Langford, C. M. Birth Control Practice and Marital Fertility in Great Britain: A Report on a Survey Carried Out in 1967-68. Population Investigation Committee, 1976.