APA (7th ed.) Citation

Haukkanen, P., Mattila, M., Merikoski, J. K., & Tossavainen, T. Perpendicularity in an Abelian Group. Wiley.

Chicago Style (17th ed.) Citation

Haukkanen, Pentti, Mika Mattila, Jorma K. Merikoski, and Timo Tossavainen. Perpendicularity in an Abelian Group. Wiley.

MLA (9th ed.) Citation

Haukkanen, Pentti, et al. Perpendicularity in an Abelian Group. Wiley.