APA (7th ed.) Citation

Waddell, W. (1961). Structure of laws as represented by symbolic methods. [s.n.].

Chicago Style (17th ed.) Citation

Waddell, Ward. Structure of Laws as Represented by Symbolic Methods. San Diego, Calif: [s.n.], 1961.

MLA (9th ed.) Citation

Waddell, Ward. Structure of Laws as Represented by Symbolic Methods. [s.n.], 1961.