Cita APA

Speer Glenn M., Grumet Tobey, Hadad Herbert, Kamisar Stacy, Stiewe David J., & Young, K. R. (1997). The guinness book of world records 1998. Guinness Media.

Citación estilo Chicago

Speer Glenn M., Grumet Tobey, Hadad Herbert, Kamisar Stacy, Stiewe David J., and Karen Romano Young. The Guinness Book of World Records 1998. Stamford: Guinness Media, 1997.

Cita MLA

Speer Glenn M., et al. The Guinness Book of World Records 1998. Guinness Media, 1997.