Beckinsale, R. P. (1966). Land, air & ocean (4th ed., rev. and enl.). Duckworth.
Citación estilo ChicagoBeckinsale, R. P. Land, Air & Ocean. 4th ed., rev. and enl. London: Duckworth, 1966.
Cita MLABeckinsale, R. P. Land, Air & Ocean. 4th ed., rev. and enl. Duckworth, 1966.
Warning: These citations may not always be 100% accurate.