Cita APA (7a ed.)
Scriba, C. J. (1968). The concept of number. Hochschulskripten bibliographisches institut (B.I.).
Cita Chicago Style (17a ed.)
Scriba, Christoph J. The Concept of Number. Hochschulskripten bibliographisches institut (B.I.), 1968.
Cita MLA (9a ed.)
Scriba, Christoph J. The Concept of Number. Hochschulskripten bibliographisches institut (B.I.), 1968.
Precaución: Estas citas no son 100% exactas.