APA (7th ed.) Citation

Büchi, J. R., Siefkes, D., & Müller, G. H. (1973). The monadic second order theory of all countable ordinals. Springer-Verlag. https://doi.org/10.1007/BFb0082720

Chicago Style (17th ed.) Citation

Büchi, Julius Richard, Dirk Siefkes, and Gert H. Müller. The Monadic Second Order Theory of All Countable Ordinals. Berlin ; Heidelberg ; New York: Springer-Verlag, 1973. https://doi.org/10.1007/BFb0082720.

MLA (9th ed.) Citation

Büchi, Julius Richard, et al. The Monadic Second Order Theory of All Countable Ordinals. Springer-Verlag, 1973. https://doi.org/10.1007/BFb0082720.