APA
Humboldt A. v., . (2001). The island of Cuba : a political essay. Princeton ; Kingston: Ian Randle Publishers, Markus Wiener Publishers.
Chicago
Humboldt Alexander von, . 2001. The island of Cuba : a political essay. Princeton ; Kingston: Ian Randle Publishers, Markus Wiener Publishers.
Harvard
Humboldt A. v., . (2001). The island of Cuba : a political essay. Princeton ; Kingston: Ian Randle Publishers, Markus Wiener Publishers.
MLA
Humboldt Alexander von, . The island of Cuba : a political essay. Princeton ; Kingston: Ian Randle Publishers, Markus Wiener Publishers. 2001.