Cita APA

Dray,W.H, & Dusen, W. W. D. (1999). Principles of history. OUP.

Citación estilo Chicago

Dray,W.H, and W.J. Wan Der Dusen. Principles of History. Delhi: OUP, 1999.

Cita MLA

Dray,W.H, and W.J. Wan Der Dusen. Principles of History. OUP, 1999.

Warning: These citations may not always be 100% accurate.