APA (7th ed.) Citation

Lyons, T. P. (1971). The personnel functions in a changing environment. Pitman.

Chicago Style (17th ed.) Citation

Lyons, Terry P. The Personnel Functions in a Changing Environment. [London]: Pitman, 1971.

MLA (9th ed.) Citation

Lyons, Terry P. The Personnel Functions in a Changing Environment. Pitman, 1971.