APA citiranje

Keutmann, H. T., Charlesworth, M. C., Mason, K. A., Ostrea, T., Johnson, L., & Ryan, R. J. (1987). A receptor-binding region in human choriogonadotropin/lutropin beta subunit.

Citação norma Chicago

Keutmann, H T., M C. Charlesworth, K A. Mason, T. Ostrea, L. Johnson, and R J. Ryan. A Receptor-binding Region in Human Choriogonadotropin/lutropin Beta Subunit. 1987.

MLA citiranje

Keutmann, H T., et al. A Receptor-binding Region in Human Choriogonadotropin/lutropin Beta Subunit. 1987.