APA Style
Gwinn,R.P, Norton,P.B and Goetz,P.W, LeHouerou, H.N., Popov, G.F.. (1990).
The New Encyclopaedia Britannica (vol. 14 . Edition. 15) (Ref:1) .
USA:
Encyclopaedia Britannica, Inc. Chicago.
Chicago Style
Gwinn,R.P, Norton,P.B and Goetz,P.W, LeHouerou, H.N., Popov, G.F..
The New Encyclopaedia Britannica (vol. 14 . Edition. 15) (Ref:1).
USA:
Encyclopaedia Britannica, Inc. Chicago,
1990.
.
MLA Style
Gwinn,R.P, Norton,P.B and Goetz,P.W, LeHouerou, H.N., Popov, G.F..
The New Encyclopaedia Britannica (vol. 14 . Edition. 15) (Ref:1).
USA:
Encyclopaedia Britannica, Inc. Chicago,
1990.
.
Turabian Style
Gwinn,R.P, Norton,P.B and Goetz,P.W, LeHouerou, H.N., Popov, G.F..
The New Encyclopaedia Britannica (vol. 14 . Edition. 15) (Ref:1).
USA:
Encyclopaedia Britannica, Inc. Chicago,
1990.
.