Cita APA (7a ed.)

Ljung, M. (1980). Reflections on the English progressive. Acta Universitatis Gothoburgensis.

Cita Chicago Style (17a ed.)

Ljung, Magnus. Reflections on the English Progressive. Göteborg: Acta Universitatis Gothoburgensis, 1980.

Cita MLA (9a ed.)

Ljung, Magnus. Reflections on the English Progressive. Acta Universitatis Gothoburgensis, 1980.