Cita APA (7a ed.)

Bolzano, B., Rootselaar, B. v., & Lugt, A. v. d. (1991). Miscellanea mathematica: 6. Friedrich Frommann, Günther Holzboog.

Cita Chicago Style (17a ed.)

Bolzano, Bernard, Bob van Rootselaar, y Anna van der Lugt. Miscellanea Mathematica: 6. Stuttgart-Bad Cannstatt: Friedrich Frommann, Günther Holzboog, 1991.

Cita MLA (9a ed.)

Bolzano, Bernard, et al. Miscellanea Mathematica: 6. Friedrich Frommann, Günther Holzboog, 1991.