APA (7th ed.) Citation

Pogorzelski, H. A., & Ryan, W. J. Foundations of semiological theory of numbers (1. ed.). Orono Pr.

Chicago Style (17th ed.) Citation

Pogorzelski, H. A., and W. J. Ryan. Foundations of Semiological Theory of Numbers. 1. ed. Orono, Me: Orono Pr.

MLA (9th ed.) Citation

Pogorzelski, H. A., and W. J. Ryan. Foundations of Semiological Theory of Numbers. 1. ed. Orono Pr.