Cita APA (7a ed.)

Lowell, J. R., Gilder, J. B., & Adée, A. A. (1899). Impressions of Spain. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Lowell, James Russell, Joseph Benson Gilder, y Alvay Augustus Adée. Impressions of Spain. Boston [etc.]: Houghton Mifflin, 1899.

Cita MLA (9a ed.)

Lowell, James Russell, et al. Impressions of Spain. Houghton Mifflin, 1899.