Cita APA (7th ed.)

Hoyrup, J. (2009). Hesitating progress: The slow development toward algebraic symbolization in abbacus- and related manuscripts, c 1300 to c. 1550. Max-Planck-Institut für Wissenschaftsgeschichte.

Cita Chicago (17th ed.)

Hoyrup, Jens. Hesitating Progress: The Slow Development Toward Algebraic Symbolization in Abbacus- and Related Manuscripts, C 1300 to C. 1550. Berlin: Max-Planck-Institut für Wissenschaftsgeschichte, 2009.

Cita MLA (8th ed.)

Hoyrup, Jens. Hesitating Progress: The Slow Development Toward Algebraic Symbolization in Abbacus- and Related Manuscripts, C 1300 to C. 1550. Max-Planck-Institut für Wissenschaftsgeschichte, 2009.