Heller, D., & Heyn, C. C. (ca. 1993). Conspectus florae Orientalis : an annotated catalogue of the flora of the Middle East Umbelliflorae: Cornaceae, Umbelliferae (Apiaceae) [Book]. Israel Acad. of Sciences and Humanities.
Chicago Manual of Style 17th edition (author-date)Heller, David, und Chaia C. Heyn. 1993. Conspectus florae Orientalis : an annotated catalogue of the flora of the Middle East Umbelliflorae: Cornaceae, Umbelliferae (Apiaceae). Book. Conspectus florae Orientalis 7. Jerusalem: Israel Acad. of Sciences and Humanities.
Springer - Basic (author-date)Heller D, Heyn CC (1993) Conspectus florae Orientalis : an annotated catalogue of the flora of the Middle East Umbelliflorae: Cornaceae, Umbelliferae (Apiaceae). Israel Acad. of Sciences and Humanities, Jerusalem
Springer - Lecture Notes in Computer Science1.Heller, D., Heyn, C.C.: Conspectus florae Orientalis : an annotated catalogue of the flora of the Middle East Umbelliflorae: Cornaceae, Umbelliferae (Apiaceae). Israel Acad. of Sciences and Humanities, Jerusalem (1993).
DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690Heller, David ; Heyn, Chaia C. ; ; ; : Conspectus florae Orientalis : an annotated catalogue of the flora of the Middle East Umbelliflorae: Cornaceae, Umbelliferae (Apiaceae), Conspectus florae Orientalis. book. Jerusalem : Israel Acad. of Sciences and Humanities, 1993 — ISBN 9652081078