APA引文

Porter, R. (1988). Death in Hamburg. Society and politics in the cholera years 1830-1910.

Citação norma Chicago

Porter, Roy. Death in Hamburg. Society and Politics in the Cholera Years 1830-1910. 1988.

MLA引文

Porter, Roy. Death in Hamburg. Society and Politics in the Cholera Years 1830-1910. 1988.

警告：這些引文格式不一定是100％准確.