APA (7th ed.) Citation

Imrie, A. (1978). German fighter units, June 1917-1918.

Chicago Style (17th ed.) Citation

Imrie, Alex. German Fighter Units, June 1917-1918. 1978.

MLA (9th ed.) Citation

Imrie, Alex. German Fighter Units, June 1917-1918. 1978.

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