Cita APA (7a ed.)

Jones, S. M., & Whitlock, B. (1905). Letters of labor and love. The Bobbs-Merrill company.

Cita Chicago Style (17a ed.)

Jones, Samuel Milton, y Brand Whitlock. Letters of Labor and Love. Indianapolis: The Bobbs-Merrill company, 1905.

Cita MLA (8a ed.)

Jones, Samuel Milton, y Brand Whitlock. Letters of Labor and Love. The Bobbs-Merrill company, 1905.