Παραπομπή σε μορφή APA (7η εκδ.)

Crawford, R. (1989). Studies in plant survival: Ecological case histories of plant adaptation to adversity. Blackwell Scientific Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Crawford, R.M.M. Studies in Plant Survival: Ecological Case Histories of Plant Adaptation to Adversity. Oxford: Blackwell Scientific Publications, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Crawford, R.M.M. Studies in Plant Survival: Ecological Case Histories of Plant Adaptation to Adversity. Blackwell Scientific Publications, 1989.