Citazione Stile APA (7a Edizione)

JOHNSON, D. A., LUND, C. H., & HAMERSTON, W. D. (1967). Bulletin board displays for mathematics. Dickenson Publishing Company.

Citazione stile Chigago Style (17a edizione)

JOHNSON, Donovan A., Charles H. LUND, e Waleta D. HAMERSTON. Bulletin Board Displays for Mathematics. Belmont: Dickenson Publishing Company, 1967.

Citatione MLA (9a ed.)

JOHNSON, Donovan A., et al. Bulletin Board Displays for Mathematics. Dickenson Publishing Company, 1967.