APA (7th ed.) Citation

Snowden, P. S. V. An autobiography. Nicholson and Watson.

Chicago Style (17th ed.) Citation

Snowden, Philip Snowden Viscount. An Autobiography. London: Nicholson and Watson.

MLA (9th ed.) Citation

Snowden, Philip Snowden Viscount. An Autobiography. Nicholson and Watson.

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