APA-Zitierstil (7. Ausg.)

Gustavson, C. G. (1955). A preface to history. McGraw-Hill.

Chicago-Zitierstil (17. Ausg.)

Gustavson, Carl G. A Preface to History. Nueva York: McGraw-Hill, 1955.

MLA-Zitierstil (9. Ausg.)

Gustavson, Carl G. A Preface to History. McGraw-Hill, 1955.