Cita APA (7a ed.)

Elmer, W. (1981). Diachronic grammar: The history of Old and Middle English subjectless constructions. Max Niemeyer.

Cita Chicago Style (17a ed.)

Elmer, Willy. Diachronic Grammar: The History of Old and Middle English Subjectless Constructions. Tübingen: Max Niemeyer, 1981.

Cita MLA (9a ed.)

Elmer, Willy. Diachronic Grammar: The History of Old and Middle English Subjectless Constructions. Max Niemeyer, 1981.