APA (7th ed.) Citation

Söder, K. (1971). Einführung in die Logik.

Chicago Style (17th ed.) Citation

Söder, Karl. Einführung in Die Logik. Berlin, 1971.

MLA (8th ed.) Citation

Söder, Karl. Einführung in Die Logik. 1971.

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