APA ציטוט

Christensen, E. O. (1950). The index of American design. Macmillan.

Chicago Style (17th ed.) Citation

Christensen, Erwin Ottomar. The Index of American Design. New York: Macmillan, 1950.

ציטוט MLA

Christensen, Erwin Ottomar. The Index of American Design. Macmillan, 1950.