MLA

Lmanian, Alexander, 1925-1996. Police helicopters and emergency troops in the Capitol District during the riots, 11:00-11:30 a.m.. Box 1, folder 51-52. 1968 April 6. https://collections.library.yale.edu/catalog/2042923.

APA, 6th edition

Lmanian, Alexander, 1925-1996. (["Box 1, folder 51-52"])(1968 April 6)[Police helicopters and emergency troops in the Capitol District during the riots, 11:00-11:30 a.m.]. https://collections.library.yale.edu/catalog/2042923.