APA citiranje

McLoughlin, J., Pepera, T., Bridger, J., & Williams, G. (1991). Serum and urinary levels of beta human chorionic gonadotrophin in patients with transitional cell carcinoma. Nature Publishing Group.

Citação norma Chicago

McLoughlin, J., T. Pepera, J. Bridger, and G. Williams. Serum and Urinary Levels of Beta Human Chorionic Gonadotrophin in Patients With Transitional Cell Carcinoma. Nature Publishing Group, 1991.

MLA citiranje

McLoughlin, J., T. Pepera, J. Bridger, and G. Williams. Serum and Urinary Levels of Beta Human Chorionic Gonadotrophin in Patients With Transitional Cell Carcinoma. Nature Publishing Group, 1991.