APA (7th ed.) Citation

Szabo, F. (1980). Algebra of proofs ([2. print.].). North-Holland Publ. Co.

Chicago Style (17th ed.) Citation

Szabo, Fred. Algebra of Proofs. [2. print.]. Amsterdam [u.a.]: North-Holland Publ. Co, 1980.

MLA (9th ed.) Citation

Szabo, Fred. Algebra of Proofs. [2. print.]. North-Holland Publ. Co, 1980.