Herbertson, B., & Herbertson, M. (1927). Geografía humana (5ª.). I.G. Seix & Barral Herms, S.A.
Chicago Style (17th ed.) CitationHerbertson, BA, and MA Herbertson. Geografía Humana. 5ª. Barcelona: I.G. Seix & Barral Herms, S.A, 1927.
MLA (9th ed.) CitationHerbertson, BA, and MA Herbertson. Geografía Humana. 5ª. I.G. Seix & Barral Herms, S.A, 1927.
Warning: These citations may not always be 100% accurate.