APA

Wilsson, M. (1977). The National Gallery : London. London: Ch. Letts.

Chicago

Wilsson, Michael. 1977. The National Gallery : London. London: Ch. Letts.

Harvard

Wilsson, M. (1977). The National Gallery : London. London: Ch. Letts.

MLA

Wilsson, Michael. The National Gallery : London. London: Ch. Letts. 1977.