APA (7th ed.) Citation

Harper, G. M. (1974). Yeats's Golden Dawn / (by) George Mills Harper. Macmillan.

Chicago Style (17th ed.) Citation

Harper, George Mills. Yeats's Golden Dawn / (by) George Mills Harper. London (etc.): Macmillan, 1974.

MLA (9th ed.) Citation

Harper, George Mills. Yeats's Golden Dawn / (by) George Mills Harper. Macmillan, 1974.

Warning: These citations may not always be 100% accurate.