Citazione Stile APA (7a Edizione)

Field Enterprises, inc, & Patterson, H. L. Patterson's American educational directory. v. [1]- 1904-. Field Enterprises [etc.].

Citazione stile Chigago Style (17a edizione)

Field Enterprises, inc, e Homer L. Patterson. Patterson's American Educational Directory. V. [1]- 1904-. Chicago: Field Enterprises [etc.].

Citatione MLA (9a ed.)

Field Enterprises, inc, e Homer L. Patterson. Patterson's American Educational Directory. V. [1]- 1904-. Field Enterprises [etc.].