Public speaking.

MLA

Grubaugh, Steven. “Public Speaking.” Clearing House, vol. 63, no. 6, Feb. 1990, p. 255. EBSCOhost, https://doi.org/10.1080/00098655.1990.9955779.

APA

Grubaugh, S. (1990). Public speaking. Clearing House, 63(6), 255. https://doi.org/10.1080/00098655.1990.9955779

Chicago

Grubaugh, Steven. 1990. “Public Speaking.” Clearing House 63 (6): 255. doi:10.1080/00098655.1990.9955779.