Cita APA (7a ed.)

Fröhler, H., Puchta, H., & Goedelt, M. (2002). Leselehrgang. Helbling.

Cita Chicago Style (17a ed.)

Fröhler, Horst, Herbert Puchta, y Marion Goedelt. Leselehrgang. Rum/Insbruck: Helbling, 2002.

Cita MLA (9a ed.)

Fröhler, Horst, et al. Leselehrgang. Helbling, 2002.