Cita APA (7th ed.)

Tunnard, C., & Reed, H. H. (1956). American skyline: The growth and form of our cities towns. The New American Library.

Cita Chicago (17th ed.)

Tunnard, Christopher, i Henry Hope Reed. American Skyline: The Growth and Form of Our Cities Towns. Nueva York: The New American Library, 1956.

Cita MLA (9th ed.)

Tunnard, Christopher, i Henry Hope Reed. American Skyline: The Growth and Form of Our Cities Towns. The New American Library, 1956.