APA (7th ed.) Citation

Helwig, P. (1969). Charakterologie (2. Aufl.). Herder.

Chicago Style (17th ed.) Citation

Helwig, Paul. Charakterologie. 2. Aufl. Freiburg [etc.]: Herder, 1969.

MLA (9th ed.) Citation

Helwig, Paul. Charakterologie. 2. Aufl. Herder, 1969.

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