Παραπομπή σε μορφή APA (7η εκδ.)

Foster, R., & Abbot, E. V. (1895). A treatise on the federal income tax under the act of 1894. Boston Book Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Foster, Roger, και Everett V. Abbot. A Treatise on the Federal Income Tax Under the Act of 1894. Boston: Boston Book Company, 1895.

Παραπομπή σε μορφή MLA (8th εκδ.)

Foster, Roger, και Everett V. Abbot. A Treatise on the Federal Income Tax Under the Act of 1894. Boston Book Company, 1895.