APA (7th ed.) Citation

HT, E. (1997). Pulsatile Movement of Hermissenda. The Biological bulletin, 193(2), 255. https://doi.org/10.1086/BBLv193n2p255

Chicago Style (17th ed.) Citation

HT, Epstein. "Pulsatile Movement of Hermissenda." The Biological Bulletin 193, no. 2 (1997): 255. https://doi.org/10.1086/BBLv193n2p255.

MLA (9th ed.) Citation

HT, Epstein. "Pulsatile Movement of Hermissenda." The Biological Bulletin, vol. 193, no. 2, 1997, p. 255, https://doi.org/10.1086/BBLv193n2p255.