APA (7th ed.) Citation

Jeeves, A., & Íslands, H. (2008). "Some words are simply very difficult." Reading proficiency in English.

Chicago Style (17th ed.) Citation

Jeeves, Anna, and Háskóli Íslands. "Some Words Are Simply Very Difficult." Reading Proficiency in English. 2008.

MLA (9th ed.) Citation

Jeeves, Anna, and Háskóli Íslands. "Some Words Are Simply Very Difficult." Reading Proficiency in English. 2008.

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