Cita APA (7a ed.)

Armstrong, R. (1991). 1991 Biennial exhibition: Richard Armstrong [et al.]. Whitney Museum of American Art; W.W. Norton.

Cita Chicago Style (17a ed.)

Armstrong, Richard. 1991 Biennial Exhibition: Richard Armstrong [et Al.]. New York; New York ; London: Whitney Museum of American Art; W.W. Norton, 1991.

Cita MLA (8a ed.)

Armstrong, Richard. 1991 Biennial Exhibition: Richard Armstrong [et Al.]. Whitney Museum of American Art; W.W. Norton, 1991.