Cita APA (7a ed.)

Pool, R. J. (1941). Flowers and flowering plants: An introduction to the nature and work of flowers and the classification of flowering plants (2nd. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Pool, Raymond J. Flowers and Flowering Plants: An Introduction to the Nature and Work of Flowers and the Classification of Flowering Plants. 2nd. ed. New York: McGraw-Hill, 1941.

Cita MLA (8a ed.)

Pool, Raymond J. Flowers and Flowering Plants: An Introduction to the Nature and Work of Flowers and the Classification of Flowering Plants. 2nd. ed. McGraw-Hill, 1941.