APA (7th ed.) Citation

Barbara, A. (1989). Marriage across frontiers. Multilingual Matters.

Chicago Style (17th ed.) Citation

Barbara, Augustin. Marriage Across Frontiers. Clevedon, Avon, England: Multilingual Matters, 1989.

MLA (9th ed.) Citation

Barbara, Augustin. Marriage Across Frontiers. Multilingual Matters, 1989.

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