Стиль цитування APA (7-ме видання)

Ek, K. (1975). The development of OE ăe (i-mutated ă) before nasals and Oe āe in south-eastern Middle English. CWK Gleerup.

Чикаго стиль цитування (17-те видання)

Ek, Karl-Gustav. The Development of OE ăe (i-mutated ă) Before Nasals and Oe āe in South-eastern Middle English. Lund: CWK Gleerup, 1975.

Стиль цитування MLA (9-ме видання)

Ek, Karl-Gustav. The Development of OE ăe (i-mutated ă) Before Nasals and Oe āe in South-eastern Middle English. CWK Gleerup, 1975.