Παραπομπή σε μορφή APA (7η εκδ.)

Fitter, R. S. R., & Farrer, A. (1984). Collins guide to grasses, sedges, rushes and ferns of Britain and Northern Europe.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Fitter, Richard Sidney Richmond, και Anne Farrer. Collins Guide to Grasses, Sedges, Rushes and Ferns of Britain and Northern Europe. [London] (HarperCollins Publisher), 1984.

Παραπομπή σε μορφή MLA (8th εκδ.)

Fitter, Richard Sidney Richmond, και Anne Farrer. Collins Guide to Grasses, Sedges, Rushes and Ferns of Britain and Northern Europe. 1984.