Παραπομπή σε μορφή APA (7η εκδ.)

Church, A. H. (1891). Precious stones considered in their scientific and artistic relations: With a catalogue of the Townshend Collection of gems in the South Kensington Museum (2a. ed.). Chapman and Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Church, A. H. Precious Stones Considered in Their Scientific and Artistic Relations: With a Catalogue of the Townshend Collection of Gems in the South Kensington Museum. 2a. ed. Londres: Chapman and Hall, 1891.

Παραπομπή σε μορφή MLA (9th εκδ.)

Church, A. H. Precious Stones Considered in Their Scientific and Artistic Relations: With a Catalogue of the Townshend Collection of Gems in the South Kensington Museum. 2a. ed. Chapman and Hall, 1891.