APA

Donaldson W., . (1931). A first greek course. Cambridge: Cambridge university press.

Chicago

Donaldson W.L, . 1931. A first greek course. Cambridge: Cambridge university press.

Harvard

Donaldson W., . (1931). A first greek course. Cambridge: Cambridge university press.

MLA

Donaldson W.L, . A first greek course. Cambridge: Cambridge university press. 1931.