Citazione Stile APA (7a Edizione)

Barrows, H. H., Putnam Parker, E., & Sorensen, C. W. (1952). My book about old worlds lands. Silver Burdett.

Citazione stile Chigago Style (17a edizione)

Barrows, Harlan H., Edith Putnam Parker, e Clarence Woodrow Sorensen. My Book About Old Worlds Lands. New York [u.a.]: Silver Burdett, 1952.

Citatione MLA (9a ed.)

Barrows, Harlan H., et al. My Book About Old Worlds Lands. Silver Burdett, 1952.