APA (7th ed.) Citation

Heath John R. (1998). In Memoriam: Clifford Frederick Ballard June 26, 1910 - July 16, 1997. Sciendo.

Chicago Style (17th ed.) Citation

Heath John R. In Memoriam: Clifford Frederick Ballard June 26, 1910 - July 16, 1997. Sciendo, 1998.

MLA (9th ed.) Citation

Heath John R. In Memoriam: Clifford Frederick Ballard June 26, 1910 - July 16, 1997. Sciendo, 1998.

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