APA

Spanier, . (1988). American foreign policy since world war ll. Washington DC: Congressional Quarterly Press.

Chicago

Spanier, . 1988. American foreign policy since world war ll. Washington DC: Congressional Quarterly Press.

Harvard

Spanier, . (1988). American foreign policy since world war ll. Washington DC: Congressional Quarterly Press.

MLA

Spanier, . American foreign policy since world war ll. Washington DC: Congressional Quarterly Press. 1988.