Παραπομπή σε μορφή APA (7η εκδ.)

Eberlein, P. (1978). Geodesics and ends in certain surfaces without conjugate points. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Eberlein, Patrick. Geodesics and Ends in Certain Surfaces Without Conjugate Points. Providence: American Mathematical Society, 1978.

Παραπομπή σε μορφή MLA (9th εκδ.)

Eberlein, Patrick. Geodesics and Ends in Certain Surfaces Without Conjugate Points. American Mathematical Society, 1978.