Cite
Factors affecting pregnancy rates following laparoscopic insemination of 28,447 Merino ewes under commercial conditions: a survey.
MLA
Hill, J. R., et al. “Factors Affecting Pregnancy Rates Following Laparoscopic Insemination of 28,447 Merino Ewes under Commercial Conditions: A Survey.” Theriogenology, vol. 49, no. 4, Mar. 1998, pp. 697–709. EBSCOhost, https://doi.org/10.1016/S0093-691X(98)00019-3.
APA
Hill, J. R., Thompson, J. A., & Perkins, N. R. (1998). Factors affecting pregnancy rates following laparoscopic insemination of 28,447 Merino ewes under commercial conditions: a survey. Theriogenology, 49(4), 697–709. https://doi.org/10.1016/S0093-691X(98)00019-3
Chicago
Hill, J R, J A Thompson, and N R Perkins. 1998. “Factors Affecting Pregnancy Rates Following Laparoscopic Insemination of 28,447 Merino Ewes under Commercial Conditions: A Survey.” Theriogenology 49 (4): 697–709. doi:10.1016/S0093-691X(98)00019-3.