Παραπομπή σε μορφή APA (7η εκδ.)

Shepherd, A. P. (1954). A scientist of the invisible: An introduction to the life and work of Rudolf Steiner. Hodder & Stoughton.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shepherd, A. P. A Scientist of the Invisible: An Introduction to the Life and Work of Rudolf Steiner. London: Hodder & Stoughton, 1954.

Παραπομπή σε μορφή MLA (8th εκδ.)

Shepherd, A. P. A Scientist of the Invisible: An Introduction to the Life and Work of Rudolf Steiner. Hodder & Stoughton, 1954.