Cita APA (7th ed.)

Fletcher, C. R. L. (1890). Gustavus Adolphus and the struggle of protestantism for existence. Putnam.

Cita Chicago (17th ed.)

Fletcher, C. R. L. Gustavus Adolphus and the Struggle of Protestantism for Existence. N.Y.: Putnam, 1890.

Cita MLA (8th ed.)

Fletcher, C. R. L. Gustavus Adolphus and the Struggle of Protestantism for Existence. Putnam, 1890.