Παραπομπή σε μορφή APA (7η εκδ.)

Ruskin, J. (1891). Eagle's nest: 10 lectures on the relation of natural science to art given before the University of Oxford in Lent term, 1872. C. E. Merrill & Co.; [etc].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ruskin, John. Eagle's Nest: 10 Lectures on the Relation of Natural Science to Art Given Before the University of Oxford in Lent Term, 1872. New York: C. E. Merrill & Co.; [etc], 1891.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ruskin, John. Eagle's Nest: 10 Lectures on the Relation of Natural Science to Art Given Before the University of Oxford in Lent Term, 1872. C. E. Merrill & Co.; [etc], 1891.