Cita APA (7th ed.)

Land, D. H., Calver, M. A., & Harrison, R. K. (1974). Geology of the Tynemouth district. H.M. Stationery Off..

Cita Chicago (17th ed.)

Land, D. H., M. A. Calver, i Ronald Keith Harrison. Geology of the Tynemouth District. London: H.M. Stationery Off., 1974.

Cita MLA (8th ed.)

Land, D. H., et al. Geology of the Tynemouth District. H.M. Stationery Off., 1974.