APA (7th ed.) Citation

Janssen, C. R. (1960). On the late-glacial and post-glacial vegetation of South Limburg (Netherlands). North-Holland Publ.

Chicago Style (17th ed.) Citation

Janssen, Cornelis Roelof. On the Late-glacial and Post-glacial Vegetation of South Limburg (Netherlands). Amsterdam: North-Holland Publ, 1960.

MLA (9th ed.) Citation

Janssen, Cornelis Roelof. On the Late-glacial and Post-glacial Vegetation of South Limburg (Netherlands). North-Holland Publ, 1960.