APA (7th ed.) Citation

Twede, D., & Goddard, R. (1998). Packaging materials (2. ed.). Pira Internat.

Chicago Style (17th ed.) Citation

Twede, Diana, and Ron Goddard. Packaging Materials. 2. ed. Leatherhead: Pira Internat, 1998.

MLA (9th ed.) Citation

Twede, Diana, and Ron Goddard. Packaging Materials. 2. ed. Pira Internat, 1998.