APA (7th ed.) Citation

Duff, C., & Makaroff, D. (1990). Russian for beginners (American ed.). HarperPerennial.

Chicago Style (17th ed.) Citation

Duff, Charles, and Dmitri Makaroff. Russian for Beginners. American ed. [New York?]: HarperPerennial, 1990.

MLA (9th ed.) Citation

Duff, Charles, and Dmitri Makaroff. Russian for Beginners. American ed. HarperPerennial, 1990.

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