APA-Zitierstil (7. Ausg.)

Fitzgibbon, A. W., Pilu, M., & Fisher, R. B. (1996). Direct least squares fitting of ellipses.

Chicago-Zitierstil (17. Ausg.)

Fitzgibbon, Andrew W., Maurizio Pilu, und Robert B. Fisher. Direct Least Squares Fitting of Ellipses. Edinburgh, 1996.

MLA-Zitierstil (9. Ausg.)

Fitzgibbon, Andrew W., et al. Direct Least Squares Fitting of Ellipses. 1996.