APA

Hartman S. J., . (1936). A textbook of logic. American Book Co: .

Chicago

Hartman Sylvester J, . 1936. A textbook of logic. American Book Co: .

Harvard

Hartman S. J., . (1936). A textbook of logic. American Book Co: .

MLA

Hartman Sylvester J, . A textbook of logic. American Book Co: . 1936.