Spector, N. (1977). Robert Ryman: Whitechapel Art Gallery London, 21 september - 23 october 1977 / essay: Naomi Spector. Whitechapel Art Gallery.
Цитирование в стиле Чикаго (17-е изд.)Spector, Naomi. Robert Ryman: Whitechapel Art Gallery London, 21 September - 23 October 1977 / Essay: Naomi Spector. London: Whitechapel Art Gallery, 1977.
Цитирование MLA (8-е изд.)Spector, Naomi. Robert Ryman: Whitechapel Art Gallery London, 21 September - 23 October 1977 / Essay: Naomi Spector. Whitechapel Art Gallery, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.