Cita APA (7a ed.)

Dullmann, C. E., & Block, M. Island of heavyweights. [article].

Cita Chicago Style (17a ed.)

Dullmann, Christoph E., y Michael Block. Island of Heavyweights. [article].

Cita MLA (9a ed.)

Dullmann, Christoph E., y Michael Block. Island of Heavyweights. [article].