Παραπομπή σε μορφή APA (7η εκδ.)

(1876). A classification and subject index, for cataloguing and arranging the books and pamphlets of a library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

A Classification and Subject Index, for Cataloguing and Arranging the Books and Pamphlets of a Library. 1876.

Παραπομπή σε μορφή MLA (9th εκδ.)

A Classification and Subject Index, for Cataloguing and Arranging the Books and Pamphlets of a Library. 1876.