Παραπομπή σε μορφή APA (7η εκδ.)

Parkin, L., Sweetland, S., Balkwill, A., Green, J., Reeves, G., & Beral, V. (2012). Body mass index, surgery, and risk of venous thromboembolism in middle-aged women: A cohort study.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Parkin, L., S. Sweetland, A. Balkwill, J. Green, G. Reeves, και V. Beral. Body Mass Index, Surgery, and Risk of Venous Thromboembolism in Middle-aged Women: A Cohort Study. 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Parkin, L., et al. Body Mass Index, Surgery, and Risk of Venous Thromboembolism in Middle-aged Women: A Cohort Study. 2012.