An Old English grammar,
by Eduard Sievers. Tr. and ed. by Albert S. Cook.

APA Citation

Sievers, E., Cook, A. S. (Albert Stanburrough). (1885). An Old English grammar. Boston: Ginn, Heath & co..

MLA Citation

Sievers, Eduard, i.e. Georg Eduard, 1850-, and Albert S. (Albert Stanburrough) Cook. An Old English Grammar. Boston: Ginn, Heath & co., 1885.

Warning: These citations may not always be complete (especially for serials).