APA (7th ed.) Citation

Roskam, J. C. (2019). Plant galls of Europe. KNNV Publishing.

Chicago Style (17th ed.) Citation

Roskam, Johannes C. Plant Galls of Europe. Zeist: KNNV Publishing, 2019.

MLA (9th ed.) Citation

Roskam, Johannes C. Plant Galls of Europe. KNNV Publishing, 2019.

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