APA (7th ed.) Citation

Janssen, P. (1995). Espresso quick reference guide (Rev. ed.). Coffee Time Publications.

Chicago Style (17th ed.) Citation

Janssen, Phillip. Espresso Quick Reference Guide. Rev. ed. Seattle, Wash.: Coffee Time Publications, 1995.

MLA (9th ed.) Citation

Janssen, Phillip. Espresso Quick Reference Guide. Rev. ed. Coffee Time Publications, 1995.