Cita APA (7a ed.)

Gerngross, G., & Puchta, H. (1998). Playway to English 1. Cambridge University Press : Edition Helbling.

Cita Chicago Style (17a ed.)

Gerngross, Günter, y Herbert Puchta. Playway to English 1. Cambridge: Cambridge University Press : Edition Helbling, 1998.

Cita MLA (9a ed.)

Gerngross, Günter, y Herbert Puchta. Playway to English 1. Cambridge University Press : Edition Helbling, 1998.