APA (7th ed.) Citation

3rd, K. W., Jr, H. L., SS, S., & HO, W. (1969). Effects of a sequential oral contraceptive on endocervical corbohydrate histochemistry. Obstetrics and gynecology, 34(4), 536.

Chicago Style (17th ed.) Citation

3rd, Kellett WW, Hester LL Jr, Spicer SS, and Williamson HO. "Effects of a Sequential Oral Contraceptive on Endocervical Corbohydrate Histochemistry." Obstetrics and Gynecology 34, no. 4 (1969): 536.

MLA (9th ed.) Citation

3rd, Kellett WW, et al. "Effects of a Sequential Oral Contraceptive on Endocervical Corbohydrate Histochemistry." Obstetrics and Gynecology, vol. 34, no. 4, 1969, p. 536.