Παραπομπή σε μορφή APA (7η εκδ.)

Symposium in Pure Mathematics University of California at Berkeley, American Mathematical Society, & Spencer, D. C. (1973). Partial differential equations. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Symposium in Pure Mathematics University of California at Berkeley, American Mathematical Society, και D. C. Spencer. Partial Differential Equations. Providence: American Mathematical Society, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Symposium in Pure Mathematics University of California at Berkeley, et al. Partial Differential Equations. American Mathematical Society, 1973.