APA

Kreyche R. J., . (1970). Logic for undergraduates. New York: Holt, Rinehart and Winston.

Chicago

Kreyche Robert J, . 1970. Logic for undergraduates. New York: Holt, Rinehart and Winston.

Harvard

Kreyche R. J., . (1970). Logic for undergraduates. New York: Holt, Rinehart and Winston.

MLA

Kreyche Robert J, . Logic for undergraduates. New York: Holt, Rinehart and Winston. 1970.