Citação norma APA

Geiger, T., & Geiger, F. M. (1973). Tales of two city-states: The development progress of Hong Kong and Singapore. National Planning Association.

Citação norma Chicago

Geiger, Theodore, and Frances M. Geiger. Tales of Two City-states: The Development Progress of Hong Kong and Singapore. [Washington]: National Planning Association, 1973.

Citação norma MLA

Geiger, Theodore, and Frances M. Geiger. Tales of Two City-states: The Development Progress of Hong Kong and Singapore. National Planning Association, 1973.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.