Styl cytowania APA

Gehlen, R., & Irving, D. J. C. (1972). The service: The memoirs of General Reinhard Gehlen. World Publ.

Styl cytowania Chicago

Gehlen, Reinhard, i David John Cawdell Irving. The Service: The Memoirs of General Reinhard Gehlen. New York: World Publ, 1972.

Styl cytowania MLA

Gehlen, Reinhard, i David John Cawdell Irving. The Service: The Memoirs of General Reinhard Gehlen. World Publ, 1972.