Dyfyniad APA

Harper, G. M. (1980). W B Yeats and W T Horton: The record of an occult friendship.

Dyfyniad Arddull Chicago

Harper, George Mills. W B Yeats and W T Horton: The Record of an Occult Friendship. London, Macmillan, 1980.

Dyfyniad MLA

Harper, George Mills. W B Yeats and W T Horton: The Record of an Occult Friendship. 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.