APA (7th ed.) Citation

Pyle, H., Wyeth, N. C., Wyeth, A., & Wyeth, J. (1971). The Brandywine heritage. Brandywine River Museum.

Chicago Style (17th ed.) Citation

Pyle, Howard, N. C. Wyeth, Andrew Wyeth, and James Wyeth. The Brandywine Heritage. Chadds Ford, Penn.: Brandywine River Museum, 1971.

MLA (9th ed.) Citation

Pyle, Howard, et al. The Brandywine Heritage. Brandywine River Museum, 1971.

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