APA (7th ed.) Citation

Hobson, H., Knightley, P., & Russell, L. (1972). The pearl of days: An intimate memoir of the Sunday Times, 1822-1972. Hamilton.

Chicago Style (17th ed.) Citation

Hobson, Harold, Phillip Knightley, and Leonard Russell. The Pearl of Days: An Intimate Memoir of the Sunday Times, 1822-1972. London: Hamilton, 1972.

MLA (8th ed.) Citation

Hobson, Harold, et al. The Pearl of Days: An Intimate Memoir of the Sunday Times, 1822-1972. Hamilton, 1972.