APA

patterson t. E., . (2001). the americcan democracy. new york: mcgraw hill.

Chicago

patterson thomas E, . 2001. the americcan democracy. new york: mcgraw hill.

Harvard

patterson t. E., . (2001). the americcan democracy. new york: mcgraw hill.

MLA

patterson thomas E, . the americcan democracy. new york: mcgraw hill. 2001.