Cita APA (7th ed.)
Scriba, C. J. (1968). The concept of number. Hochschulskripten bibliographisches institut (B.I.).
Cita Chicago (17th ed.)
Scriba, Christoph J. The Concept of Number. Hochschulskripten bibliographisches institut (B.I.), 1968.
Cita MLA (9th ed.)
Scriba, Christoph J. The Concept of Number. Hochschulskripten bibliographisches institut (B.I.), 1968.
Atenció: Aquestes cites poden no estar 100% correctes.