Kieren, M., & Johnston, P. (1994). Oswald Mathias Ungers. Artemis.
Chicago Style (17th ed.) CitationKieren, Martin, and Pamela Johnston. Oswald Mathias Ungers. Zürich ; München ; London: Artemis, 1994.
MLA (9th ed.) CitationKieren, Martin, and Pamela Johnston. Oswald Mathias Ungers. Artemis, 1994.