Cita APA (7a ed.)

Hero Alexandrinus & Schmidt, W. (2011). Heronis Alexandrini Opera quae supersunt omnia: Vol. 1, part 2, Pneumatica et automata (Ed. stereotypa editionis anni 1949.). De Gruyter.

Cita Chicago Style (17a ed.)

Hero Alexandrinus y Wilhelm Schmidt. Heronis Alexandrini Opera Quae Supersunt Omnia: Vol. 1, Part 2, Pneumatica Et Automata. Ed. stereotypa editionis anni 1949. [Berlin]: De Gruyter, 2011.

Cita MLA (9a ed.)

Hero Alexandrinus y Wilhelm Schmidt. Heronis Alexandrini Opera Quae Supersunt Omnia: Vol. 1, Part 2, Pneumatica Et Automata. Ed. stereotypa editionis anni 1949. De Gruyter, 2011.