APA (7th ed.) Citation

Nielsen, J., & Hansen, V. L. (1986). Jakob Nielsen, collected mathematical papers. Birkhäuser.

Chicago Style (17th ed.) Citation

Nielsen, Jakob, and Vagn Lundsgaard Hansen. Jakob Nielsen, Collected Mathematical Papers. Boston ; Basel: Birkhäuser, 1986.

MLA (8th ed.) Citation

Nielsen, Jakob, and Vagn Lundsgaard Hansen. Jakob Nielsen, Collected Mathematical Papers. Birkhäuser, 1986.