APA (7th ed.) Citation

Soggin, J. A. (1990). In memoriam Pieter Arie Hendrik de Boer (1910 - 1989). Henoch, 12, 98-99.

Chicago Style (17th ed.) Citation

Soggin, Jan Alberto. "In Memoriam Pieter Arie Hendrik De Boer (1910 - 1989)." Henoch 12 (1990): 98-99.

MLA (9th ed.) Citation

Soggin, Jan Alberto. "In Memoriam Pieter Arie Hendrik De Boer (1910 - 1989)." Henoch, vol. 12, 1990, pp. 98-99.

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