Cita APA (7a ed.)

Tunnard, C., & Reed, H. H. (1956). American skyline (1a. ed.). The New American Library.

Cita Chicago Style (17a ed.)

Tunnard, Christopher, y Henry Hope Reed. American Skyline. 1a. ed. Nueva York: The New American Library, 1956.

Cita MLA (9a ed.)

Tunnard, Christopher, y Henry Hope Reed. American Skyline. 1a. ed. The New American Library, 1956.