Buchi, J. R., & Siefkes, D. (1973). The monadic second order theory of all countable ordinals J. Richard Buchi, Dirk Siefkes. Springer-Verlag. https://doi.org/10.1007/BFb0082720
Chicago Style (17th ed.) CitationBuchi, J. Richard, and Dirk Siefkes. The Monadic Second Order Theory of All Countable Ordinals J. Richard Buchi, Dirk Siefkes. Berlin ; New York: Springer-Verlag, 1973. https://doi.org/10.1007/BFb0082720.
MLA (9th ed.) CitationBuchi, J. Richard, and Dirk Siefkes. The Monadic Second Order Theory of All Countable Ordinals J. Richard Buchi, Dirk Siefkes. Springer-Verlag, 1973. https://doi.org/10.1007/BFb0082720.
Warning: These citations may not always be 100% accurate.