Cita APA (7a ed.)

Convey, A., Morris, S., Wahrig, H. P., & Butt, G. (1998). Living and working in Berlin: Teachers' guide and student activities (1. publ.). Geographical Association.

Cita Chicago Style (17a ed.)

Convey, Andrew, Sheila Morris, Hans Peter Wahrig, y Graham Butt. Living and Working in Berlin: Teachers' Guide and Student Activities. 1. publ. Sheffield: Geographical Association, 1998.

Cita MLA (9a ed.)

Convey, Andrew, et al. Living and Working in Berlin: Teachers' Guide and Student Activities. 1. publ. Geographical Association, 1998.