Παραπομπή σε μορφή APA (7η εκδ.)

Detweiler, S., Ipser, J. R., & Buchler, J. R. (1991). Nonlinear problems in relativity and cosmology. New York Academy of Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Detweiler, Steven, James R. Ipser, και J. R. Buchler. Nonlinear Problems in Relativity and Cosmology. New York: New York Academy of Sciences, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Detweiler, Steven, et al. Nonlinear Problems in Relativity and Cosmology. New York Academy of Sciences, 1991.