Cita APA (7a ed.)

Schaff, P. (1919). The creeds of christendom: With a history and critical notes (6th ed. rev. and enlarged.). Harper & Brothers.

Cita Chicago Style (17a ed.)

Schaff, Philip. The Creeds of Christendom: With a History and Critical Notes. 6th ed. rev. and enlarged. New York [etc.]: Harper & Brothers, 1919.

Cita MLA (9a ed.)

Schaff, Philip. The Creeds of Christendom: With a History and Critical Notes. 6th ed. rev. and enlarged. Harper & Brothers, 1919.