Carrier, M. (1994). Geometric facts and geometric theory: Helmholtz and 20th-century philosophy of physical geometry. Universalgenie Helmholtz.
Chicago Style (17th ed.) CitationCarrier, Martin. "Geometric Facts and Geometric Theory: Helmholtz and 20th-century Philosophy of Physical Geometry." Universalgenie Helmholtz 1994.
MLA (9th ed.) CitationCarrier, Martin. "Geometric Facts and Geometric Theory: Helmholtz and 20th-century Philosophy of Physical Geometry." Universalgenie Helmholtz, 1994.
Warning: These citations may not always be 100% accurate.