Cite

Viva Hemisfair, San Antonio, 1968 world's fair Apr 6-Oct 6 [graphic]

MLA

Indiana, Robert, 1928-. Viva Hemisfair, San Antonio, 1968 world's fair Apr 6-Oct 6 [graphic]. c1967.. https://collections.library.yale.edu/catalog/2020822.

APA, 6th edition

Indiana, Robert, 1928-. (c1967.)[Viva Hemisfair, San Antonio, 1968 world's fair Apr 6-Oct 6 [graphic]]. https://collections.library.yale.edu/catalog/2020822.