APA

Bloom M., . (1975). The paradox of helping: introduction to the philosophy of scientific practice. New York: Wiley.

Chicago

Bloom Martin, . 1975. The paradox of helping: introduction to the philosophy of scientific practice. New York: Wiley.

Harvard

Bloom M., . (1975). The paradox of helping: introduction to the philosophy of scientific practice. New York: Wiley.

MLA

Bloom Martin, . The paradox of helping: introduction to the philosophy of scientific practice. New York: Wiley. 1975.