Andrew, D. S. (1972). Adler and Sullivan's "other" skyscraper in St. Louis: The unacclaimed Union Trust Building. architectura.
Chicago-Zitierstil (17. Ausg.)Andrew, David S. "Adler and Sullivan's "Other" Skyscraper in St. Louis: The Unacclaimed Union Trust Building." Architectura 1972.
MLA-Zitierstil (8. Ausg.)Andrew, David S. "Adler and Sullivan's "Other" Skyscraper in St. Louis: The Unacclaimed Union Trust Building." Architectura, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.