Style de citation APA (7e éd.)

Ryan, P. J. (1986). Euclidean and non-euclidean geometry: An analytic approach. Univ. pr.

Style de citation Chicago (17e éd.)

Ryan, Patrick J. Euclidean and Non-euclidean Geometry: An Analytic Approach. Cambridge: Univ. pr, 1986.

Style de citation MLA (9e éd.)

Ryan, Patrick J. Euclidean and Non-euclidean Geometry: An Analytic Approach. Univ. pr, 1986.