Cita APA (7a ed.)

Baber, D. C., Everson, G., & Thomas, E. (1984). Mach mit!: A German course to "O" Level (1. publ., 11. impr.). Nelson.

Cita Chicago Style (17a ed.)

Baber, D. C., G. Everson, y Eric Thomas. Mach Mit!: A German Course to "O" Level. 1. publ., 11. impr. Walton-on-Thames [u.a.]: Nelson, 1984.

Cita MLA (9a ed.)

Baber, D. C., et al. Mach Mit!: A German Course to "O" Level. 1. publ., 11. impr. Nelson, 1984.