Horta.

MLA

Henrion-Giele, Suzanne, and Victor-Gaston Martiny. Horta. [Brussel]: vzw Horta Museum, 1973.

APA

Henrion-Giele, S., & Martiny, V. (1973). Horta. [Brussel]: vzw Horta Museum.

Chicago

Henrion-Giele, Suzanne, and Victor-Gaston Martiny. Horta. [Brussel]: vzw Horta Museum, 1973.