APA (7th ed.) Citation

Cowdry, E. V. (1911). The colour changes of Octopus vulgaris Lmk. Univ. Libr.

Chicago Style (17th ed.) Citation

Cowdry, E. V. The Colour Changes of Octopus Vulgaris Lmk. Toronto: Univ. Libr, 1911.

MLA (9th ed.) Citation

Cowdry, E. V. The Colour Changes of Octopus Vulgaris Lmk. Univ. Libr, 1911.

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