APA (7th ed.) Citation

Schubert, H. (1972). Categories / by Horst Schubert. Springer.

Chicago Style (17th ed.) Citation

Schubert, Horst. Categories / by Horst Schubert. Berlin: Springer, 1972.

MLA (9th ed.) Citation

Schubert, Horst. Categories / by Horst Schubert. Springer, 1972.

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