Cita APA

Ewer, J. R., & Latorre, G. (1971). A Course in basic scientific English. London: Longman.

Citación estilo Chicago

Ewer, J. R., y G. Latorre. A Course in Basic Scientific English. London: Longman, 1971.

Cita MLA

Ewer, J. R., y G. Latorre. A Course in Basic Scientific English. London: Longman, 1971.