Παραπομπή σε μορφή APA (7η εκδ.)

Ibbotson, H., Le Tall, B. B., & Waller, A. R. (1884). The ferns of York: Including also Nidderdale and the districts around Thirsk, Scarbro', and Whitby. W. Sessions.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ibbotson, Henry, Benjamin Bower Le Tall, και A. R. Waller. The Ferns of York: Including Also Nidderdale and the Districts Around Thirsk, Scarbro', and Whitby. York: W. Sessions, 1884.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ibbotson, Henry, et al. The Ferns of York: Including Also Nidderdale and the Districts Around Thirsk, Scarbro', and Whitby. W. Sessions, 1884.