APA način citiranja (7. izdanje)

Leonard, I. E., & Leonard, I. E. (2014). Classical geometry: Euclidean, transformational, inversive, and projective. Wiley.

Čikaški stil citiranja (17. izdanje)

Leonard, I. E., i I. E. Leonard. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Hoboken, New Jersey: Wiley, 2014.

MLA način citiranja (9. izdanje)

Leonard, I. E., i I. E. Leonard. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Wiley, 2014.