Cita APA (7a ed.)

Wallis, W. D. (1915). Individual Initiative and Social Compulsion. The New Era Prin.

Cita Chicago Style (17a ed.)

Wallis, Wilson Dallas. Individual Initiative and Social Compulsion. Lancaster: The New Era Prin, 1915.

Cita MLA (8a ed.)

Wallis, Wilson Dallas. Individual Initiative and Social Compulsion. The New Era Prin, 1915.