National Gallery of Art (Washington) : : Catalogue of the Italian Paintings ; Volume I. Text ; Volume II. Plates.

MLA

Shapley, Fern Rusk. National Gallery of Art (washington) : Catalogue of the Italian Paintings ; Volume I. Text ; Volume Ii. Plates. Washington: National Gallery of Art (Washington), 1979.

APA

Shapley, F. Rusk. (1979). National Gallery of Art (Washington) : Catalogue of the Italian Paintings ; Volume I. Text ; Volume II. Plates. Washington: National Gallery of Art (Washington).

Chicago

Shapley, Fern Rusk National Gallery of Art (washington): Catalogue of the Italian Paintings ; Volume I. Text ; Volume II. Plates. Washington: National Gallery of Art (Washington), 1979.