APA (7th ed.) Citation

Hawker, C. L. (1941). Written and spoken Persian. Longman's, Green.

Chicago Style (17th ed.) Citation

Hawker, C. L. Written and Spoken Persian. London, New York [etc.]: Longman's, Green, 1941.

MLA (9th ed.) Citation

Hawker, C. L. Written and Spoken Persian. Longman's, Green, 1941.