Harvey, A. P. (1986). Directory of scientific directories: A world bibliographic guide to medical, agricultural, industrial, and natural science directories (4th ed.). Longman.
Chicago Style (17th ed.) CitationHarvey, Anthony P. Directory of Scientific Directories: A World Bibliographic Guide to Medical, Agricultural, Industrial, and Natural Science Directories. 4th ed. Burnt Mill, Harlow, Essex: Longman, 1986.
MLA (9th ed.) CitationHarvey, Anthony P. Directory of Scientific Directories: A World Bibliographic Guide to Medical, Agricultural, Industrial, and Natural Science Directories. 4th ed. Longman, 1986.
Warning: These citations may not always be 100% accurate.