APA (7th ed.) Citation

Hardy, P., & Offermanne, H. (2003). Toponymie d'Aywaille. Michiels.

Chicago Style (17th ed.) Citation

Hardy, Philippe, and Henri Offermanne. Toponymie D'Aywaille. Liège: Michiels, 2003.

MLA (9th ed.) Citation

Hardy, Philippe, and Henri Offermanne. Toponymie D'Aywaille. Michiels, 2003.

Warning: These citations may not always be 100% accurate.