APA (7th ed.) Citation

Johansen, P. (1972). An algebraic normal form for regular events. Polyteknisk Forlag.

Chicago Style (17th ed.) Citation

Johansen, Peter. An Algebraic Normal Form for Regular Events. Lyngby: Polyteknisk Forlag, 1972.

MLA (9th ed.) Citation

Johansen, Peter. An Algebraic Normal Form for Regular Events. Polyteknisk Forlag, 1972.