The effect of smoking on the serum ionized magnesium concentration is method-dependent.

MLA

Niemela, J. E., et al. “The Effect of Smoking on the Serum Ionized Magnesium Concentration Is Method-Dependent.” Archives of Pathology & Laboratory Medicine, vol. 121, no. 10, Oct. 1997, pp. 1087–92. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=9341589&authtype=sso&custid=ns315887.

APA

Niemela, J. E., Cecco, S. A., Rehak, N. N., & Elin, R. J. (1997). The effect of smoking on the serum ionized magnesium concentration is method-dependent. Archives of Pathology & Laboratory Medicine, 121(10), 1087–1092.

Chicago

Niemela, J E, S A Cecco, N N Rehak, and R J Elin. 1997. “The Effect of Smoking on the Serum Ionized Magnesium Concentration Is Method-Dependent.” Archives of Pathology & Laboratory Medicine 121 (10): 1087–92. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=9341589&authtype=sso&custid=ns315887.