Wagner, J., Bosque Maurel, J., & Vicens Vives, J. (1961). Universo: Geografía general (2a ed.). Vicens-Vives.
Chicago Style (17th ed.) CitationWagner, Julius, Joaquín Bosque Maurel, and Jaime Vicens Vives. Universo: Geografía General. 2a ed. Barcelona: Vicens-Vives, 1961.
MLA (9th ed.) CitationWagner, Julius, et al. Universo: Geografía General. 2a ed. Vicens-Vives, 1961.
Warning: These citations may not always be 100% accurate.