APA (7th ed.) Citation

(1974). Insects: Instructions for collectors no. 4a (5th rev. ed.). Trustees of the British Musuem (Natural History).

Chicago Style (17th ed.) Citation

Insects: Instructions for Collectors No. 4a. 5th rev. ed. London: Trustees of the British Musuem (Natural History), 1974.

MLA (9th ed.) Citation

Insects: Instructions for Collectors No. 4a. 5th rev. ed. Trustees of the British Musuem (Natural History), 1974.