APA (7th ed.) Citation

National Gallery of Art (U.S.) & Merrill, R. M. (1997). Conservation research 1996/1997. National Gallery of Art.

Chicago Style (17th ed.) Citation

National Gallery of Art (U.S.) and Ross M. Merrill. Conservation Research 1996/1997. Washington, D.C.: National Gallery of Art, 1997.

MLA (9th ed.) Citation

National Gallery of Art (U.S.) and Ross M. Merrill. Conservation Research 1996/1997. National Gallery of Art, 1997.