Cita APA (7a ed.)

Lorant, S., & Commager, H. S. (1980). Pittsburgh: The story of an Amercian City (3rd. ed.). Lenox.

Cita Chicago Style (17a ed.)

Lorant, Stefan, y Henry Steele Commager. Pittsburgh: The Story of an Amercian City. 3rd. ed. Massachusetts: Lenox, 1980.

Cita MLA (8a ed.)

Lorant, Stefan, y Henry Steele Commager. Pittsburgh: The Story of an Amercian City. 3rd. ed. Lenox, 1980.