APA (7th ed.) Citation

Linguaphone Institute. (1971). American english course. Hazell Watson and Viney.

Chicago Style (17th ed.) Citation

Linguaphone Institute. American English Course. London: Hazell Watson and Viney, 1971.

MLA (9th ed.) Citation

Linguaphone Institute. American English Course. Hazell Watson and Viney, 1971.

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