APA (7th ed.) Citation

Muhamad, A. J., Engku Ibrahim, E. H., & Achoui, S. (2014). Vocabulary learning strategies and vocabulary size of pre-university ESL learners.

Chicago Style (17th ed.) Citation

Muhamad, Ainon Jariah, Engku Haliza Engku Ibrahim, and Sana Achoui. Vocabulary Learning Strategies and Vocabulary Size of Pre-university ESL Learners. 2014.

MLA (8th ed.) Citation

Muhamad, Ainon Jariah, et al. Vocabulary Learning Strategies and Vocabulary Size of Pre-university ESL Learners. 2014.