APA (7th ed.) Citation

Sack, F. L. (1954). The structure of English: A practical grammar for foreign students. A. Francke.

Chicago Style (17th ed.) Citation

Sack, Friedrich Leopold. The Structure of English: A Practical Grammar for Foreign Students. Berne: A. Francke, 1954.

MLA (9th ed.) Citation

Sack, Friedrich Leopold. The Structure of English: A Practical Grammar for Foreign Students. A. Francke, 1954.