APA (7th ed.) Citation

Maas Geesteranus, R. A. (1971). Hydnaceous fungi of the eastern old world. North-Holland Publ.

Chicago Style (17th ed.) Citation

Maas Geesteranus, R. A. Hydnaceous Fungi of the Eastern Old World. Amsterdam [u.a.]: North-Holland Publ, 1971.

MLA (9th ed.) Citation

Maas Geesteranus, R. A. Hydnaceous Fungi of the Eastern Old World. North-Holland Publ, 1971.