Cita APA (7th ed.)

Bertrand, A. (1920). The Chilean Nitrate Industry: Technology and Economics (1a. ed.). Imprimerie de Vaugirard.

Cita Chicago (17th ed.)

Bertrand, Alejandro. The Chilean Nitrate Industry: Technology and Economics. 1a. ed. París: Imprimerie de Vaugirard, 1920.

Cita MLA (9th ed.)

Bertrand, Alejandro. The Chilean Nitrate Industry: Technology and Economics. 1a. ed. Imprimerie de Vaugirard, 1920.