APA (7th ed.) Citation

Hacker, R. G. (1991). Gender Differences in Science-Lesson Behaviours. International journal of science education, 13(4), 439. https://doi.org/10.1080/0950069910130407

Chicago Style (17th ed.) Citation

Hacker, R. G. "Gender Differences in Science-Lesson Behaviours." International Journal of Science Education 13, no. 4 (1991): 439. https://doi.org/10.1080/0950069910130407.

MLA (9th ed.) Citation

Hacker, R. G. "Gender Differences in Science-Lesson Behaviours." International Journal of Science Education, vol. 13, no. 4, 1991, p. 439, https://doi.org/10.1080/0950069910130407.

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