APA (7th ed.) Citation

(1977). Problems in logic and ontology. Akad. Dr.- und Verl.-Anst.

Chicago Style (17th ed.) Citation

Problems in Logic and Ontology. Graz: Akad. Dr.- und Verl.-Anst, 1977.

MLA (9th ed.) Citation

Problems in Logic and Ontology. Akad. Dr.- und Verl.-Anst, 1977.

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