APA (7th ed.) Citation

Editorial Office. (1980). Obituary: Johanna Helena (Helene) Van Zyl. AOSIS.

Chicago Style (17th ed.) Citation

Editorial Office. Obituary: Johanna Helena (Helene) Van Zyl. AOSIS, 1980.

MLA (9th ed.) Citation

Editorial Office. Obituary: Johanna Helena (Helene) Van Zyl. AOSIS, 1980.

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