APA (7th ed.) Citation

Guthrie, R. K. (1972). Food sanitation (2nd ed.). AVI Pub. Co.

Chicago Style (17th ed.) Citation

Guthrie, Rufus K. Food Sanitation. 2nd ed. Westport, Conn: AVI Pub. Co, 1972.

MLA (9th ed.) Citation

Guthrie, Rufus K. Food Sanitation. 2nd ed. AVI Pub. Co, 1972.