APA (7th ed.) Citation

Foster, B. (2015). Hallo, William W. (1928-2015).

Chicago Style (17th ed.) Citation

Foster, B.R. Hallo, William W. (1928-2015). 2015.

MLA (8th ed.) Citation

Foster, B.R. Hallo, William W. (1928-2015). 2015.

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