APA

Grimes A. P., Horwitz R., . (1959). Modern political ideologies. New York: Oxford University Press.

Chicago

Grimes Alan Pendleton, Horwitz Robert, . 1959. Modern political ideologies. New York: Oxford University Press.

Harvard

Grimes A. P., Horwitz R., . (1959). Modern political ideologies. New York: Oxford University Press.

MLA

Grimes Alan Pendleton, Horwitz Robert, . Modern political ideologies. New York: Oxford University Press. 1959.