APA (7th ed.) Citation

Schneider, A., & Makary, W. Wanderführer Saarland.

Chicago Style (17th ed.) Citation

Schneider, Adolf, and Willi Makary. Wanderführer Saarland.

MLA (8th ed.) Citation

Schneider, Adolf, and Willi Makary. Wanderführer Saarland.

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