APA (7th ed.) Citation

Duff, A. R. (1969). Pressures. Longman.

Chicago Style (17th ed.) Citation

Duff, Alan Robert. Pressures. London: Longman, 1969.

MLA (9th ed.) Citation

Duff, Alan Robert. Pressures. Longman, 1969.

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