Cite Them Right 11th edition - Harvard

Lieb, H.-H. (1993) Linguistic variables : towards a unified theory of linguistic variation [book], Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory. Amsterdam [u.a.]: Benjamins (Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory, 108).

Chicago Manual of Style 17th edition (full note)

Lieb, Hans-Heinrich. Linguistic variables : towards a unified theory of linguistic variation. Book. Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory. Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory 108. Amsterdam [u.a.]: Benjamins, [1993?], Amsterdam [u.a.]: Benjamins, [1993?].

American Psychological Association 7th edition

Lieb, H.-H. (ca. 1993). Linguistic variables : towards a unified theory of linguistic variation [Book]. In Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory. Benjamins.

Modern Language Association 9th edition

Lieb, H.-H. “Linguistic variables : towards a unified theory of linguistic variation”. Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory, book, Benjamins, 1993.

ISO-690 (author-date, Deutsch)

LIEB, Hans-Heinrich, 1993. Linguistic variables : towards a unified theory of linguistic variation. Amsterdam [u.a.]: Benjamins. Amsterdam studies in the theory and history of linguistic science. Series 4, Current issues in linguistic theory, 108. ISBN 9027236119

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