Cita APA (7a ed.)

(1933). Observational studies of social behavior ... by Dorothy Swaine Thomas, Alice M. Loomis, Ruth E. Arrington, with the assistance of Eleanor C. Isbell.

Cita Chicago Style (17a ed.)

Observational Studies of Social Behavior ... by Dorothy Swaine Thomas, Alice M. Loomis, Ruth E. Arrington, with the Assistance of Eleanor C. Isbell. 1933.

Cita MLA (9a ed.)

Observational Studies of Social Behavior ... by Dorothy Swaine Thomas, Alice M. Loomis, Ruth E. Arrington, with the Assistance of Eleanor C. Isbell. 1933.