APA (7th ed.) Citation

Volpe, G. D. (1980). Logic as a Positive Science. NLB.

Chicago Style (17th ed.) Citation

Volpe, Galvano Della. Logic as a Positive Science. NLB, 1980.

MLA (9th ed.) Citation

Volpe, Galvano Della. Logic as a Positive Science. NLB, 1980.

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