Cita APA (7a ed.)

Polman, A. D. R., & Freeman, C. D. (1960). Barth. Presbyterian and Reformed Pub. Co.

Cita Chicago Style (17a ed.)

Polman, Andries Derk Rietema), y Calvin D. Freeman. Barth. Philadelphia: Presbyterian and Reformed Pub. Co, 1960.

Cita MLA (9a ed.)

Polman, Andries Derk Rietema), y Calvin D. Freeman. Barth. Presbyterian and Reformed Pub. Co, 1960.