Cita APA (7a ed.)

O'Hanlon, R. (1988). In trouble again: A journey between the Orinoco and the Amazon. Hamish Hamilton.

Cita Chicago Style (17a ed.)

O'Hanlon, Redmond. In Trouble Again: A Journey Between the Orinoco and the Amazon. London: Hamish Hamilton, 1988.

Cita MLA (9a ed.)

O'Hanlon, Redmond. In Trouble Again: A Journey Between the Orinoco and the Amazon. Hamish Hamilton, 1988.