Cita APA

Clark, R. W. (1973). Alps. Widenfield and Nicolson.

Chicago Edition Citation

Clark, Ronald W. Alps. London: Widenfield and Nicolson, 1973.

Cita MLA

Clark, Ronald W. Alps. Widenfield and Nicolson, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.