APA (7th ed.) Citation

Riesz, M., Gårding, L., & Hörmander, L. (1988). Collected papers. Springer-Verlag.

Chicago Style (17th ed.) Citation

Riesz, Marcel, Lars Gårding, and Lars Hörmander. Collected Papers. Berlin ; New York: Springer-Verlag, 1988.

MLA (9th ed.) Citation

Riesz, Marcel, et al. Collected Papers. Springer-Verlag, 1988.