APA (7th ed.) Citation

Londesborough, A. J., Beards, H., & Beggs-Humphreys, M. E. (1972). The widening world (5. ed.). Philip.

Chicago Style (17th ed.) Citation

Londesborough, A. Jean, Harold Beards, and M. E. Beggs-Humphreys. The Widening World. 5. ed. London: Philip, 1972.

MLA (9th ed.) Citation

Londesborough, A. Jean, et al. The Widening World. 5. ed. Philip, 1972.