Παραπομπή σε μορφή APA (7η εκδ.)

Boltwood, H. L. (1886). A topical outline of general history: Designed as a guide to the general reader and for review work in schools. Scott, Foresman & Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Boltwood, Henry L. A Topical Outline of General History: Designed as a Guide to the General Reader and for Review Work in Schools. Chicago: Scott, Foresman & Co., 1886.

Παραπομπή σε μορφή MLA (8th εκδ.)

Boltwood, Henry L. A Topical Outline of General History: Designed as a Guide to the General Reader and for Review Work in Schools. Scott, Foresman & Co., 1886.