APA (7th ed.) Citation

Plinio Segundo, C., & Rackham, H. (1961). Natural history. William Heinemann [etc.].

Chicago Style (17th ed.) Citation

Plinio Segundo, Cayo, and H. Rackham. Natural History. London [etc.]: William Heinemann [etc.], 1961.

MLA (9th ed.) Citation

Plinio Segundo, Cayo, and H. Rackham. Natural History. William Heinemann [etc.], 1961.

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