APA Citation

(1980). The key to english: Prepositions 1. Collier Macmillan International.

Chicago Style Citation

The Key to English: Prepositions 1. Collier Macmillan International, 1980.

MLA Citation

The Key to English: Prepositions 1. Collier Macmillan International, 1980.

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