APA

Leopold A. C., . (1964). Plant growth and development. New York: McGraw-Hill.

Chicago

Leopold A Carl, . 1964. Plant growth and development. New York: McGraw-Hill.

Harvard

Leopold A. C., . (1964). Plant growth and development. New York: McGraw-Hill.

MLA

Leopold A Carl, . Plant growth and development. New York: McGraw-Hill. 1964.