APA (7th ed.) Citation

Ηawkins, A. (1891). Aquarium systems. Academic press.

Chicago Style (17th ed.) Citation

Ηawkins, A.D. Aquarium Systems. London: Academic press, 1891.

MLA (8th ed.) Citation

Ηawkins, A.D. Aquarium Systems. Academic press, 1891.

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