APA (7th ed.) Citation

Unesco. (1962). Directory of zoological (and entomological) specimen collections of tropical institutions. [publisher not identified].

Chicago Style (17th ed.) Citation

Unesco. Directory of Zoological (and Entomological) Specimen Collections of Tropical Institutions. [Paris]: [publisher not identified], 1962.

MLA (9th ed.) Citation

Unesco. Directory of Zoological (and Entomological) Specimen Collections of Tropical Institutions. [publisher not identified], 1962.

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