APA (7th ed.) Citation

Gorle, P., & Long, J. (1973). Essentials of product planning / by Peter Gorle and James Long. McGraw-Hill.

Chicago Style (17th ed.) Citation

Gorle, Peter, and James Long. Essentials of Product Planning / by Peter Gorle and James Long. (Maidenhead): McGraw-Hill, 1973.

MLA (9th ed.) Citation

Gorle, Peter, and James Long. Essentials of Product Planning / by Peter Gorle and James Long. McGraw-Hill, 1973.

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