Cita APA (7a ed.)

Christensen, E. O., & Cahill, H. (1950). The Index of American Design. MacMillan Company ; National Gallery of Art.

Cita Chicago Style (17a ed.)

Christensen, Erwin Ottomar, y Holger Cahill. The Index of American Design. New York : Washington: MacMillan Company ; National Gallery of Art, 1950.

Cita MLA (9a ed.)

Christensen, Erwin Ottomar, y Holger Cahill. The Index of American Design. MacMillan Company ; National Gallery of Art, 1950.