APA (7th ed.) Citation

(1977). Inlingua: Deutsch. The International Inlingua Schools of Languages.

Chicago Style (17th ed.) Citation

Inlingua: Deutsch. Berne [etc.]: The International Inlingua Schools of Languages, 1977.

MLA (9th ed.) Citation

Inlingua: Deutsch. The International Inlingua Schools of Languages, 1977.

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