APA

Mohamed S., . (2020). Doctor's guide. [s. l: s. n.].

Chicago

Mohamed Sherif, . 2020. Doctor's guide. [s. l: s. n.].

Harvard

Mohamed S., . (2020). Doctor's guide. [s. l: s. n.].

MLA

Mohamed Sherif, . Doctor's guide. [s. l: s. n.]. 2020.