APA

Johnson ML (ed.), . (1949). New Biology : Behaviour of Livestock, Recent work on Spiders, Flowering of Plants in Relation to Environment, Chromosomes, Seaweeds and their uses, Defining Vitamins, Famous Animals - the Tapeworm - 7. LONDON: PENGUIN BOOKS.

Chicago

Johnson ML (ed.), . 1949. New Biology : Behaviour of Livestock, Recent work on Spiders, Flowering of Plants in Relation to Environment, Chromosomes, Seaweeds and their uses, Defining Vitamins, Famous Animals - the Tapeworm - 7. LONDON: PENGUIN BOOKS.

Harvard

Johnson ML (ed.), . (1949). New Biology : Behaviour of Livestock, Recent work on Spiders, Flowering of Plants in Relation to Environment, Chromosomes, Seaweeds and their uses, Defining Vitamins, Famous Animals - the Tapeworm - 7. LONDON: PENGUIN BOOKS.

MLA

Johnson ML (ed.), . New Biology : Behaviour of Livestock, Recent work on Spiders, Flowering of Plants in Relation to Environment, Chromosomes, Seaweeds and their uses, Defining Vitamins, Famous Animals - the Tapeworm - 7. LONDON: PENGUIN BOOKS. 1949.