APA (7th ed.) Citation

Gripenberg, G., Londen, S., & Staffans, O. J. (1990). Volterra integral and functional equations. Cambridge University Press.

Chicago Style (17th ed.) Citation

Gripenberg, G., Stig-Olof Londen, and Olof J. Staffans. Volterra Integral and Functional Equations. Cambridge [England] ; New York: Cambridge University Press, 1990.

MLA (8th ed.) Citation

Gripenberg, G., et al. Volterra Integral and Functional Equations. Cambridge University Press, 1990.