APA (7th ed.) Citation

Büchi, J. R., & Siefkes, D. (1973). The monadic second order theory of all countable ordinals. Springer.

Chicago Style (17th ed.) Citation

Büchi, Julius Richard, and Dirk Siefkes. The Monadic Second Order Theory of All Countable Ordinals. Berlin [u.a.]: Springer, 1973.

MLA (9th ed.) Citation

Büchi, Julius Richard, and Dirk Siefkes. The Monadic Second Order Theory of All Countable Ordinals. Springer, 1973.