APA (7th ed.) Citation

(1981). Contrastive aspects of English and German. Groos.

Chicago Style (17th ed.) Citation

Contrastive Aspects of English and German. Heidelberg: Groos, 1981.

MLA (9th ed.) Citation

Contrastive Aspects of English and German. Groos, 1981.

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