APA

Pool R. J., . (1941). Flowers and flowering plants: an introduction to the nature and work of flowers and the classification of flowering plants. New York and: McGraw-Hill book company, inc.

Chicago

Pool Raymond John, . 1941. Flowers and flowering plants: an introduction to the nature and work of flowers and the classification of flowering plants. New York and: McGraw-Hill book company, inc.

Harvard

Pool R. J., . (1941). Flowers and flowering plants: an introduction to the nature and work of flowers and the classification of flowering plants. New York and: McGraw-Hill book company, inc.

MLA

Pool Raymond John, . Flowers and flowering plants: an introduction to the nature and work of flowers and the classification of flowering plants. New York and: McGraw-Hill book company, inc. 1941.