APA (7th ed.) Citation

Hugo's language books. (1993). German phrase book. Hugo's language books.

Chicago Style (17th ed.) Citation

Hugo's language books. German Phrase Book. Woodbridge: Hugo's language books, 1993.

MLA (8th ed.) Citation

Hugo's language books. German Phrase Book. Hugo's language books, 1993.

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