APA

van Zyl-Smit R. N., Allwood B., Stickells D., Symons G., Abdool-Gaffar S., Murphy K., Lalloo U., Vanker A., Dheda K. & Richards G. (20140220). South African tobacco smoking cessation clinical practice guideline. : South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.

Chicago

van Zyl-Smit Richard N, Allwood Brian, Stickells David, Symons Gregory, Abdool-Gaffar Sabs, Murphy Kathy, Lalloo Umesh, Vanker Aneesa, Dheda Keertan and Richards Guy. 20140220. South African tobacco smoking cessation clinical practice guideline. : South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.

Harvard

van Zyl-Smit R. N., Allwood B., Stickells D., Symons G., Abdool-Gaffar S., Murphy K., Lalloo U., Vanker A., Dheda K. and Richards G. (20140220). South African tobacco smoking cessation clinical practice guideline. : South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.

MLA

van Zyl-Smit Richard N, Allwood Brian, Stickells David, Symons Gregory, Abdool-Gaffar Sabs, Murphy Kathy, Lalloo Umesh, Vanker Aneesa, Dheda Keertan and Richards Guy. South African tobacco smoking cessation clinical practice guideline. : South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde. 20140220.