APA Citation

Blackwood, A., & Blackwood, A. (1990). 20 pintores. Bogotá, Colombia: Norma.

Chicago Style Citation

Blackwood, Alan, and Alan Blackwood. 20 Pintores. Bogotá, Colombia: Norma, 1990.

MLA Citation

Blackwood, Alan, and Alan Blackwood. 20 Pintores. Bogotá, Colombia: Norma, 1990.

Warning: These citations may not always be 100% accurate.