Citazione APA

Nasir, E., & Ali, S. I. (1970). Flora of West Pakistan. Printed at Nazeer Print. Works].

Stile di citazione Chicago

Nasir, E., e S. I. Ali. Flora of West Pakistan. [Karachi: Printed at Nazeer Print. Works], 1970.

Citazione MLA

Nasir, E., e S. I. Ali. Flora of West Pakistan. Printed at Nazeer Print. Works], 1970.