APA (7th ed.) Citation

Tennent, J., & Friend, G. (2001). Guide to business modelling / John Tennent and Graham Friend. Profile Books.

Chicago Style (17th ed.) Citation

Tennent, John, and Graham Friend. Guide to Business Modelling / John Tennent and Graham Friend. London: Profile Books, 2001.

MLA (9th ed.) Citation

Tennent, John, and Graham Friend. Guide to Business Modelling / John Tennent and Graham Friend. Profile Books, 2001.

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