APA-Zitierstil (7. Ausg.)

Ffrench, R. (1980). A guide to the birds of Trinidad and Tobago (Rev. ed.). Harrowood Books.

Chicago-Zitierstil (17. Ausg.)

Ffrench, Richard. A Guide to the Birds of Trinidad and Tobago. Rev. ed. Newton Square, PA: Harrowood Books, 1980.

MLA-Zitierstil (9. Ausg.)

Ffrench, Richard. A Guide to the Birds of Trinidad and Tobago. Rev. ed. Harrowood Books, 1980.