APA استشهاد

Hardy G.H. (1949). Divergent Series (1949.). Oxford at the Clarendon Press.

استشهاد بنمط شيكاغو

Hardy G.H. Divergent Series. 1949. Britain: Oxford at the Clarendon Press, 1949.

MLA استشهاد

Hardy G.H. Divergent Series. 1949. Oxford at the Clarendon Press, 1949.