Citazione Stile APA (7a Edizione)

STRETTON, H. (1969). The political sciences: General principles of selection in social science and history. Routledge and Kegan Paul.

Citazione stile Chigago Style (17a edizione)

STRETTON, Hugh. The Political Sciences: General Principles of Selection in Social Science and History. London,: Routledge and Kegan Paul, 1969.

Citatione MLA (9a ed.)

STRETTON, Hugh. The Political Sciences: General Principles of Selection in Social Science and History. Routledge and Kegan Paul, 1969.