Παραπομπή APA

Colombo, U., & Hobson, G. D. Advances in organic geochemistry.

Παραπομπή Chicago Style

Colombo, Umberto, και G D. Hobson. Advances in Organic Geochemistry.

Παραπομπή MLA

Colombo, Umberto, και G D. Hobson. Advances in Organic Geochemistry.