Стиль цитування APA (7-ме видання)

Humboldt, F. E. A. (1852). Personal narrative of travels to the Equinoctial regions of America during the years 1799-1804. Henry G. Bohn.

Чикаго стиль цитування (17-те видання)

Humboldt, Federico Enrique Alejandro. Personal Narrative of Travels to the Equinoctial Regions of America During the Years 1799-1804. London, England, United Kingdom: Henry G. Bohn, 1852.

Стиль цитування MLA (9-ме видання)

Humboldt, Federico Enrique Alejandro. Personal Narrative of Travels to the Equinoctial Regions of America During the Years 1799-1804. Henry G. Bohn, 1852.