Helen, Helen Mellanby, & Helen Mellanby. (1953). Animal life in freshwater (5.). London.
Citación estilo ChicagoHelen, Helen Mellanby, and Helen Mellanby. Animal Life in Freshwater. 5. London, 1953.
Cita MLAHelen, et al. Animal Life in Freshwater. 5. London, 1953.
Warning: These citations may not always be 100% accurate.