APA (7th ed.) Citation

Gummere, A. M. (1922). Cooperation in Collecting Historical Material. Bulletin of the Friends' Historical Society, 11(1), 34-35.

Chicago Style (17th ed.) Citation

Gummere, Amelia M. "Cooperation in Collecting Historical Material." Bulletin of the Friends' Historical Society 11, no. 1 (1922): 34-35.

MLA (8th ed.) Citation

Gummere, Amelia M. "Cooperation in Collecting Historical Material." Bulletin of the Friends' Historical Society, vol. 11, no. 1, 1922, pp. 34-35.

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