Cita APA (7a ed.)

Lewis, H., & Pedersen, H. (1989). A Concise comparative Celtic grammar (3rd ed, 2nd impr.). Vandenhoeck & Ruprecht.

Cita Chicago Style (17a ed.)

Lewis, Henry, y Holger Pedersen. A Concise Comparative Celtic Grammar. 3rd ed, 2nd impr. Göttingen: Vandenhoeck & Ruprecht, 1989.

Cita MLA (9a ed.)

Lewis, Henry, y Holger Pedersen. A Concise Comparative Celtic Grammar. 3rd ed, 2nd impr. Vandenhoeck & Ruprecht, 1989.