APA (7th ed.) Citation

Harbeck, G. (1963). Einführung in die formale Logik. Vieweg.

Chicago Style (17th ed.) Citation

Harbeck, Gerd. Einführung in Die Formale Logik. Braunschweig: Vieweg, 1963.

MLA (9th ed.) Citation

Harbeck, Gerd. Einführung in Die Formale Logik. Vieweg, 1963.

Warning: These citations may not always be 100% accurate.