Παραπομπή σε μορφή APA (7η εκδ.)

Callaway, R. M. (2007). Positive Interactions and Interdependence in Plant Communities. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Callaway, Ragan M. Positive Interactions and Interdependence in Plant Communities. Dordrecht: Springer Netherlands, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Callaway, Ragan M. Positive Interactions and Interdependence in Plant Communities. Springer Netherlands, 2007.