Cita APA (7a ed.)

Jeffrey, F. J., & Perkins, P. A. (2009). Francis Jeffrey's Highland and continental tours. Humanities-Ebooks.

Cita Chicago Style (17a ed.)

Jeffrey, Francis Jeffrey, y Pamela Ann Perkins. Francis Jeffrey's Highland and Continental Tours. Penrith [England]: Humanities-Ebooks, 2009.

Cita MLA (8a ed.)

Jeffrey, Francis Jeffrey, y Pamela Ann Perkins. Francis Jeffrey's Highland and Continental Tours. Humanities-Ebooks, 2009.