Cita APA (7a ed.)

Os. W. A.A. van, e., & Hafez, E. S. E. (1980). IUDs and family planning. MTP.

Cita Chicago Style (17a ed.)

Os. W. A.A. van, ed, y Elsayed Saad Eldin Hafez. IUDs and Family Planning. Lancaster: MTP, 1980.

Cita MLA (9a ed.)

Os. W. A.A. van, ed, y Elsayed Saad Eldin Hafez. IUDs and Family Planning. MTP, 1980.