APA (7th ed.) Citation

Gheyselinck, R. (1937). Permian trilobites from Timor and Sicily: With a revision of their nomenclature and classification. Scheltema & Holkema.

Chicago Style (17th ed.) Citation

Gheyselinck, Roger. Permian Trilobites from Timor and Sicily: With a Revision of Their Nomenclature and Classification. Amsterdam: Scheltema & Holkema, 1937.

MLA (9th ed.) Citation

Gheyselinck, Roger. Permian Trilobites from Timor and Sicily: With a Revision of Their Nomenclature and Classification. Scheltema & Holkema, 1937.

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