Παραπομπή σε μορφή APA (7η εκδ.)

Evans, W. H. (1902). Agricultural investigations in the island possessions of the United States. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Evans, Walter Harrison. Agricultural Investigations in the Island Possessions of the United States. Washington: [s.n.], 1902.

Παραπομπή σε μορφή MLA (9th εκδ.)

Evans, Walter Harrison. Agricultural Investigations in the Island Possessions of the United States. [s.n.], 1902.