Cita APA (7a ed.)

Lydford, J., & Owen, D. M. (1974). John Lydford's book. H.M. Stationery Off..

Cita Chicago Style (17a ed.)

Lydford, John, y Dorothy Mary Owen. John Lydford's Book. London: H.M. Stationery Off., 1974.

Cita MLA (8a ed.)

Lydford, John, y Dorothy Mary Owen. John Lydford's Book. H.M. Stationery Off., 1974.