APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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