Cita APA (7th ed.)
Kingsford, P. (1973). Builders and building workers. Arnold.
Cita Chicago (17th ed.)
Kingsford, Peter. Builders and Building Workers. London: Arnold, 1973.
Cita MLA (9th ed.)
Kingsford, Peter. Builders and Building Workers. Arnold, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.