APA (7th ed.) Citation

Bergen, G. Deutcher Kursus. Linguaphone Institute.

Chicago Style (17th ed.) Citation

Bergen, Günter. Deutcher Kursus. London: Linguaphone Institute.

MLA (9th ed.) Citation

Bergen, Günter. Deutcher Kursus. Linguaphone Institute.

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