Cita APA (7a ed.)

Porter, A. N. (1994). European imperialism, 1860-1914 ([1st pub.].). Macmillan Press.

Cita Chicago Style (17a ed.)

Porter, Andrew Neil. European Imperialism, 1860-1914. [1st pub.]. Basingstoke [etc.]: Macmillan Press, 1994.

Cita MLA (9a ed.)

Porter, Andrew Neil. European Imperialism, 1860-1914. [1st pub.]. Macmillan Press, 1994.