APA

Loronzen P., . (1965). Formal logic. Dordrecht: Reidel.

Chicago

Loronzen Paul, . 1965. Formal logic. Dordrecht: Reidel.

Harvard

Loronzen P., . (1965). Formal logic. Dordrecht: Reidel.

MLA

Loronzen Paul, . Formal logic. Dordrecht: Reidel. 1965.