Guide to the National Gallery of Art : : Microform Holdings.

MLA

Vogelsong, Diana. Guide to the National Gallery of Art : Microform Holdings. Washington: National Gallery of Art (Washington), 1990.

APA

Vogelsong, D. (1990). Guide to the National Gallery of Art : Microform Holdings. Washington: National Gallery of Art (Washington).

Chicago

Vogelsong, Diana Guide to the National Gallery of Art: Microform Holdings. Washington: National Gallery of Art (Washington), 1990.