Citazione Stile APA (7a Edizione)

Cowan, W. (1971). Workbook in comparative reconstruction. Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Cowan, William. Workbook in Comparative Reconstruction. New YorK: Holt, Rinehart and Winston, 1971.

Citatione MLA (9a ed.)

Cowan, William. Workbook in Comparative Reconstruction. Holt, Rinehart and Winston, 1971.