APA استشهاد

Sahrhage, D., & Lundbeck,Johannes. (1992). History of fishing. Springer Verlag.

استشهاد بنمط شيكاغو

Sahrhage, Dietrich, و Lundbeck,Johannes. History of Fishing. Berlin: Springer Verlag, 1992.

MLA استشهاد

Sahrhage, Dietrich, و Lundbeck,Johannes. History of Fishing. Springer Verlag, 1992.