APA (7th ed.) Citation

Marriott, T., & Ribière, M. (1990). Help yourself to French grammar : a grammar reference and workbook, post-GCSE/Advanced level / Thalia Marriott and Mireille Ribière: A grammar reference and workbook, post-GCSE/Advanced level. Longman.

Chicago Style (17th ed.) Citation

Marriott, Thalia, and Mireille Ribière. Help Yourself to French Grammar : A Grammar Reference and Workbook, Post-GCSE/Advanced Level / Thalia Marriott and Mireille Ribière: A Grammar Reference and Workbook, Post-GCSE/Advanced Level. Harlow: Longman, 1990.

MLA (9th ed.) Citation

Marriott, Thalia, and Mireille Ribière. Help Yourself to French Grammar : A Grammar Reference and Workbook, Post-GCSE/Advanced Level / Thalia Marriott and Mireille Ribière: A Grammar Reference and Workbook, Post-GCSE/Advanced Level. Longman, 1990.

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