APA (7th ed.) Citation

Westerman, P. F. Billy Barcroft, R.N.A.S: A Story of the Great War.

Chicago Style (17th ed.) Citation

Westerman, Percy F. Billy Barcroft, R.N.A.S: A Story of the Great War.

MLA (9th ed.) Citation

Westerman, Percy F. Billy Barcroft, R.N.A.S: A Story of the Great War.

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