Lua APA (7ú heag.)

Crosby, W. O. (1886). Geological collections: Mineralogy. The Society.

Lua i Stíl Chicago (17ú heag.)

Crosby, William Otis. Geological Collections: Mineralogy. Boston, Mass.: The Society, 1886.

Lua MLA (8ú heag.)

Crosby, William Otis. Geological Collections: Mineralogy. The Society, 1886.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.