APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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