Παραπομπή σε μορφή APA (7η εκδ.)

Street, H. E., & Opik, H. (1991). The physiology of flowering plants: Their growth and development (3rd ed.). Edward Arnold.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Street, H. E., και Helgi Opik. The Physiology of Flowering Plants: Their Growth and Development. 3rd ed. London: Edward Arnold, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Street, H. E., και Helgi Opik. The Physiology of Flowering Plants: Their Growth and Development. 3rd ed. Edward Arnold, 1991.