Cita APA (7a ed.)

Krethlow, J. F. (1795). Nicolaus Kopernicus: Nicolas Copernic.

Cita Chicago Style (17a ed.)

Krethlow, Johann Ferdinand. Nicolaus Kopernicus: Nicolas Copernic. [Niemcy], 1795.

Cita MLA (9a ed.)

Krethlow, Johann Ferdinand. Nicolaus Kopernicus: Nicolas Copernic. 1795.