Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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