APA (7th ed.) Citation

Stein, G. (2002). Developing your English vocabulary: A systematic new approach. Stauffenburg Linguistik.

Chicago Style (17th ed.) Citation

Stein, Gabriele. "Developing Your English Vocabulary: A Systematic New Approach." Stauffenburg Linguistik 2002.

MLA (9th ed.) Citation

Stein, Gabriele. "Developing Your English Vocabulary: A Systematic New Approach." Stauffenburg Linguistik, 2002.

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