Cita APA (7a ed.)

Moeller, J., Liedloff, H., & Hoelzel, A. (1976). German today (Rev. ed.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Moeller, Jack, Helmut Liedloff, y Alfred Hoelzel. German Today. Rev. ed. Boston [u.a.]: Houghton Mifflin, 1976.

Cita MLA (9a ed.)

Moeller, Jack, et al. German Today. Rev. ed. Houghton Mifflin, 1976.