APA (7th ed.) Citation

Gruber, A. (1977). The marketing manager's guide to new product invention. Amacom.

Chicago Style (17th ed.) Citation

Gruber, Alfred. The Marketing Manager's Guide to New Product Invention. New York: Amacom, 1977.

MLA (8th ed.) Citation

Gruber, Alfred. The Marketing Manager's Guide to New Product Invention. Amacom, 1977.

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