APA (7th ed.) Citation

Cockerell, T. D. A. Bees from British Guiana Bulletin of the AMNH, Vol. XXXVIII, Art. XX, pp. 685-690.

Chicago Style (17th ed.) Citation

Cockerell, Theodore D. A. Bees from British Guiana Bulletin of the AMNH, Vol. XXXVIII, Art. XX, Pp. 685-690.

MLA (9th ed.) Citation

Cockerell, Theodore D. A. Bees from British Guiana Bulletin of the AMNH, Vol. XXXVIII, Art. XX, Pp. 685-690.

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