APA

Hatcher R. A., Rinehart W., Blackburn R., Geller J. S., Shelton J. D. & World Health Organization. (1997). The Essentials of contraceptive technology: a handbook for clinic staff. Baltimore, MD: Population Information Program, Johns Hopkins University, School of Public Health.

Chicago

Hatcher Robert A, Rinehart Ward, Blackburn Richard, Geller Judith S, Shelton James D and World Health Organization. 1997. The Essentials of contraceptive technology: a handbook for clinic staff. Baltimore, MD: Population Information Program, Johns Hopkins University, School of Public Health.

Harvard

Hatcher R. A., Rinehart W., Blackburn R., Geller J. S., Shelton J. D. and World Health Organization. (1997). The Essentials of contraceptive technology: a handbook for clinic staff. Baltimore, MD: Population Information Program, Johns Hopkins University, School of Public Health.

MLA

Hatcher Robert A, Rinehart Ward, Blackburn Richard, Geller Judith S, Shelton James D and World Health Organization. The Essentials of contraceptive technology: a handbook for clinic staff. Baltimore, MD: Population Information Program, Johns Hopkins University, School of Public Health. 1997.