APA (7th ed.) Citation

Fountain, P. (1914). The river Amazon: From its sources to the sea. Constable.

Chicago Style (17th ed.) Citation

Fountain, Paul. The River Amazon: From Its Sources to the Sea. London: Constable, 1914.

MLA (9th ed.) Citation

Fountain, Paul. The River Amazon: From Its Sources to the Sea. Constable, 1914.