Purcell, J. B., & Vickers, T. (1868). The Vickers and Purcell controversy: Respectfully presented to all the lovers of truth. Benziger Brothers.
Chicago-viite (17. p.)Purcell, John Baptist, ja Thomas Vickers. The Vickers and Purcell Controversy: Respectfully Presented to All the Lovers of Truth. Cincinnati ; New York: Benziger Brothers, 1868.
MLA-viite (8. p.)Purcell, John Baptist, ja Thomas Vickers. The Vickers and Purcell Controversy: Respectfully Presented to All the Lovers of Truth. Benziger Brothers, 1868.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.