APA

Hoover K. R., Donovan, . (2001). The elements of social scientific thinking. New York: St. Martin's Press.

Chicago

Hoover Kenneth R, Donovan, . 2001. The elements of social scientific thinking. New York: St. Martin's Press.

Harvard

Hoover K. R., Donovan, . (2001). The elements of social scientific thinking. New York: St. Martin's Press.

MLA

Hoover Kenneth R, Donovan, . The elements of social scientific thinking. New York: St. Martin's Press. 2001.