APA (7th ed.) Citation

Ruben, S. (1965). The elements (1a ed.). [s.n.].

Chicago Style (17th ed.) Citation

Ruben, Samuel. The Elements. 1a ed. Slough: [s.n.], 1965.

MLA (9th ed.) Citation

Ruben, Samuel. The Elements. 1a ed. [s.n.], 1965.