APA (7th ed.) Citation

Grelling, R. (1918). London - Berlin - Wien - Petersburg. Trösch.

Chicago Style (17th ed.) Citation

Grelling, Richard. London - Berlin - Wien - Petersburg. Olten: Trösch, 1918.

MLA (8th ed.) Citation

Grelling, Richard. London - Berlin - Wien - Petersburg. Trösch, 1918.

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