APA citiranje

Kritz-Silverstein, D., & Barrett-Connor, E. (1993). Bone mineral density in postmenopausal women as determined by prior oral contraceptive use.

Citação norma Chicago

Kritz-Silverstein, D., and E. Barrett-Connor. Bone Mineral Density in Postmenopausal Women As Determined By Prior Oral Contraceptive Use. 1993.

MLA citiranje

Kritz-Silverstein, D., and E. Barrett-Connor. Bone Mineral Density in Postmenopausal Women As Determined By Prior Oral Contraceptive Use. 1993.