APA

Hoover K. R., . (1988). The elements of social scientific thinking. New York: St. Martin's Press.

Chicago

Hoover Kenneth R, . 1988. The elements of social scientific thinking. New York: St. Martin's Press.

Harvard

Hoover K. R., . (1988). The elements of social scientific thinking. New York: St. Martin's Press.

MLA

Hoover Kenneth R, . The elements of social scientific thinking. New York: St. Martin's Press. 1988.