APA (7th ed.) Citation

R, H. J. In Memoriam: Clifford Frederick Ballard June 26, 1910 – July 16, 1997. Sciendo.

Chicago Style (17th ed.) Citation

R, Heath John. In Memoriam: Clifford Frederick Ballard June 26, 1910 – July 16, 1997. Sciendo.

MLA (9th ed.) Citation

R, Heath John. In Memoriam: Clifford Frederick Ballard June 26, 1910 – July 16, 1997. Sciendo.

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