Cita APA (7a ed.)

SOMERVILL, B. A. (2006). WILLIAM PENN FOUNDER OF PENNSYLVANIA. COMPASS POINT BOOKS.

Cita Chicago Style (17a ed.)

SOMERVILL, BARBARA. A. WILLIAM PENN FOUNDER OF PENNSYLVANIA. MINNEAPOLIS: COMPASS POINT BOOKS, 2006.

Cita MLA (9a ed.)

SOMERVILL, BARBARA. A. WILLIAM PENN FOUNDER OF PENNSYLVANIA. COMPASS POINT BOOKS, 2006.