APA (7th ed.) Citation

Packman, R. (1966). A guide to the business world / by R. Packman. Longmans.

Chicago Style (17th ed.) Citation

Packman, R. A Guide to the Business World / by R. Packman. Longmans, 1966.

MLA (9th ed.) Citation

Packman, R. A Guide to the Business World / by R. Packman. Longmans, 1966.

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