APA (7th ed.) Citation

Street, H. E., & Öpik, H. (1976). The physiology of flowering plants: Their growth and development (2d ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Street, H. E., and Helgi Öpik. The Physiology of Flowering Plants: Their Growth and Development. 2d ed. London: Edward Arnold, 1976.

MLA (9th ed.) Citation

Street, H. E., and Helgi Öpik. The Physiology of Flowering Plants: Their Growth and Development. 2d ed. Edward Arnold, 1976.