APA引文

Trotter, F. M. (1942). Geology of the Forest of Dean coal and iron-ore field. H.M.S.O..

Chicago Style (17th ed.) Citation

Trotter, F. M. Geology of the Forest of Dean Coal and Iron-ore Field. London: H.M.S.O., 1942.

MLA引文

Trotter, F. M. Geology of the Forest of Dean Coal and Iron-ore Field. H.M.S.O., 1942.