Παραπομπή σε μορφή APA (7η εκδ.)

Kruckeberg, A. R. (2004). Geology and plant life: The effects of landforms and rock types on plants. University of Washington Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kruckeberg, Arthur R. Geology and Plant Life: The Effects of Landforms and Rock Types on Plants. Seattle: University of Washington Press, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kruckeberg, Arthur R. Geology and Plant Life: The Effects of Landforms and Rock Types on Plants. University of Washington Press, 2004.