Harz, K. (1975). Die Orthopteren Europas II / The Orthoptera of Europe II: Volume II. Springer Netherlands.
Chicago Style (17th ed.) CitationHarz, Kurt. Die Orthopteren Europas II / The Orthoptera of Europe II: Volume II. Dordrecht: Springer Netherlands, 1975.
MLA (9th ed.) CitationHarz, Kurt. Die Orthopteren Europas II / The Orthoptera of Europe II: Volume II. Springer Netherlands, 1975.
Warning: These citations may not always be 100% accurate.