Siefkes, D. (1970). Büchi's Monadic second order successor arithmetic. Springer-Verlag.
Citazione stile Chigago Style (17a edizione)Siefkes, Dirk. Büchi's Monadic Second Order Successor Arithmetic. Berlín: Springer-Verlag, 1970.
Citatione MLA (9a ed.)Siefkes, Dirk. Büchi's Monadic Second Order Successor Arithmetic. Springer-Verlag, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.