(1991). Author index to volume 252 April-June 1991. Science (pre-March 2025), 252(5014), i. https://doi.org/10.1126/science.252.5014.i
Chicago Style (17th ed.) Citation"Author Index to Volume 252 April-June 1991." Science (pre-March 2025) 252, no. 5014 (1991): i. https://doi.org/10.1126/science.252.5014.i.
MLA (9th ed.) Citation"Author Index to Volume 252 April-June 1991." Science (pre-March 2025), vol. 252, no. 5014, 1991, p. i, https://doi.org/10.1126/science.252.5014.i.
Warning: These citations may not always be 100% accurate.
